Fix formatting in installation guide

docs/docs/Installing.md

@@ -49,71 +49,71 @@
 
 ### 1. Add the following in `android/settings.gradle`:
 
-	```groovy
-	include ':react-native-navigation'
-	project(':react-native-navigation').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-navigation/lib/android/app/')
-	```
+```groovy
+include ':react-native-navigation'
+project(':react-native-navigation').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-navigation/lib/android/app/')
+```
 
 ### 2. Update `android/build.gradle`:
 
-	```diff
-	buildscript {
-	    repositories {
-	+        google()
-	+        mavenLocal()
-	+        mavenCentral()
-	+        jcenter()
-	    }
-	    dependencies {
-	+        classpath 'com.android.tools.build:gradle:3.0.1'
-	-        classpath 'com.android.tools.build:gradle:2.2.3'
-	    }
+```diff
+buildscript {
+	repositories {
++        google()
++        mavenLocal()
++        mavenCentral()
++        jcenter()
 	}
-	
-	allprojects {
-	    repositories {
-	+		google()
-	+		mavenCentral()
-	+		mavenLocal()
-			jcenter()
-			maven {
-	           // All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
-	           url "$rootDir/../node_modules/react-native/android"
-			}
-  +		maven { url 'https://jitpack.io' }
+	dependencies {
++        classpath 'com.android.tools.build:gradle:3.0.1'
+-        classpath 'com.android.tools.build:gradle:2.2.3'
+	}
+}
+
+allprojects {
+	repositories {
++		google()
++		mavenCentral()
++		mavenLocal()
+		jcenter()
+		maven {
+			// All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
+			url "$rootDir/../node_modules/react-native/android"
 		}
++		maven { url 'https://jitpack.io' }
 	}
-	```
+}
+```
 
 ### 3. Update project dependencies in `android/app/build.gradle`.
 
-	```groovy
-	android {
-	    compileSdkVersion 25
-	    buildToolsVersion "27.0.3"
-	    
-	    defaultConfig {
-	        minSdkVersion 19
-	        targetSdkVersion 25
-	        missingDimensionStrategy "RNN.reactNativeVersion", "reactNative51" // <- See note below for further instruction regarding compatibility with other React Native versions
-		...
-	    }
+```groovy
+android {
+	compileSdkVersion 25
+	buildToolsVersion "27.0.3"
 	
-	    compileOptions {
-	        sourceCompatibility JavaVersion.VERSION_1_8
-	        targetCompatibility JavaVersion.VERSION_1_8
-	    }
-	    ...
+	defaultConfig {
+		minSdkVersion 19
+		targetSdkVersion 25
+		missingDimensionStrategy "RNN.reactNativeVersion", "reactNative51" // <- See note below for further instruction regarding compatibility with other React Native versions
+	...
 	}
-	
-	dependencies {
-	    implementation fileTree(dir: "libs", include: ["*.jar"])
-	    implementation "com.android.support:appcompat-v7:25.4.0"
-	    implementation "com.facebook.react:react-native:+"
-	    implementation project(':react-native-navigation')
+
+	compileOptions {
+		sourceCompatibility JavaVersion.VERSION_1_8
+		targetCompatibility JavaVersion.VERSION_1_8
 	}
-	```
-	> react-native-navigation supports multiple React Native versions. Target the React Native version required by your project by specifying the RNN build flavor you require.
+	...
+}
+
+dependencies {
+	implementation fileTree(dir: "libs", include: ["*.jar"])
+	implementation "com.android.support:appcompat-v7:25.4.0"
+	implementation "com.facebook.react:react-native:+"
+	implementation project(':react-native-navigation')
+}
+```
+> react-native-navigation supports multiple React Native versions. Target the React Native version required by your project by specifying the RNN build flavor you require.
 ><br><br>Available options:
 >
 >* `reactNative51`: Support for React Native 0.51-0.54
@@ -126,65 +126,65 @@
 
 ### 4. Make sure you're using the new gradle plugin, edit `android/gradle/wrapper/gradle-wrapper.properties`
 
-	```diff
-	distributionBase=GRADLE_USER_HOME
-	distributionPath=wrapper/dists
-	zipStoreBase=GRADLE_USER_HOME
-	zipStorePath=wrapper/dists
-	+distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
-	-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
-	```
+```diff
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
++distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
+```
 
 ### 5. Update `gradle.properties` and disable incremental resource processing
 
-	```diff
-	+# Disable incremental resource processing as it broke relase build
-	+android.enableAapt2=false
-	```
+```diff
++# Disable incremental resource processing as it broke relase build
++android.enableAapt2=false
+```
 
 ### 6. In `MainActivity.java` it should extend `com.reactnativenavigation.NavigationActivity` instead of `ReactActivity`.
 
-	This file can be located in `android/app/src/main/java/com/yourproject/`.
+This file can be located in `android/app/src/main/java/com/yourproject/`.
 
-	```java
-	import com.reactnativenavigation.NavigationActivity;
+```java
+import com.reactnativenavigation.NavigationActivity;
 
-	public class MainActivity extends NavigationActivity {
+public class MainActivity extends NavigationActivity {
 
-	}
-	```
+}
+```
 
-	If you have any **react-native** related methods, you can safely delete them.
+If you have any **react-native** related methods, you can safely delete them.
 
 ### 7. In `MainApplication.java`, add the following
 	
-	```java
-	import com.reactnativenavigation.NavigationApplication;
+```java
+import com.reactnativenavigation.NavigationApplication;
 
-	public class MainApplication extends NavigationApplication {
-		@Override
-		public boolean isDebug() {
-			return BuildConfig.DEBUG;
-		}
+public class MainApplication extends NavigationApplication {
+	@Override
+	public boolean isDebug() {
+		return BuildConfig.DEBUG;
+	}
 
-		@Override
-		public List<ReactPackage> createAdditionalReactPackages() {
-			return Arrays.<ReactPackage>asList(
-				// eg. new VectorIconsPackage()
-			);
-		}
- 	}
-	```
-    Make sure that `isDebug` method is implemented.
+	@Override
+	public List<ReactPackage> createAdditionalReactPackages() {
+		return Arrays.<ReactPackage>asList(
+			// eg. new VectorIconsPackage()
+		);
+	}
+}
+```
+Make sure that `isDebug` method is implemented.
 
 ### 8. Update `AndroidManifest.xml` and set `application` **android:name** value to `.MainApplication`
 
-	```xml
-	<application
-		android:name=".MainApplication"
-		...
-	/>
-	```
+```xml
+<application
+    android:name=".MainApplication"
+    ...
+/>
+```
 ### 9. Force the same support library version across all dependencies
 
 Some of your dependencies might require a different version of one of Google's support library packages. This results in compilation errors similar to this: