[docs] improve installation instructions and links (expo#7830)

* make installSection wording better

* [docs] improve installation instructions and links

README.md

@@ -9,7 +9,7 @@ A React component that renders a preview for the device's either front or back c
 
 # Installation in managed Expo projects
 
-For managed [managed](https://docs.expo.io/versions/latest/introduction/managed-vs-bare/) Expo projects, please follow the installation instructions in the [API documentation for the latest stable release](#api-documentation). If you follow the link and there is no documentation available then this library is not yet usable within managed projects — it is likely to be included in an upcoming Expo SDK release.
+For managed [managed](https://docs.expo.io/versions/latest/introduction/managed-vs-bare/) Expo projects, please follow the installation instructions in the [API documentation for the latest stable release](https://docs.expo.io/versions/latest/sdk/camera/).
 
 # Installation in bare React Native projects
 
@@ -41,12 +41,13 @@ Add `android.permission.CAMERA` permission to your manifest (`android/app/src/ma
 ```
 
 Adjust the `android/build.gradle` to add a new `maven` block after all other repositories as described below:
+
 ```gradle
 allprojects {
     repositories {
-    
+
         // * Your other repositories here *
-        
+
         // * Add a new maven block after other repositories / blocks *
         maven {
             // expo-camera bundles a custom com.google.android:cameraview