More documentation tweaks

Author: chrisbianca

auth/README.md

@@ -2,6 +2,8 @@
 
 React Firebase Hooks provides a convenience listener for Firebase Auth's auth state. The hook wraps around the `firebase.auth().onAuthStateChange()` method to ensure that it is always up to date.
 
+List of Auth hooks:
+
 - [useAuthState](#useauthstateauth)
 
 ### `useAuthState(auth)`

database/README.md

@@ -6,6 +6,8 @@ Firebase Realtime Database. The hooks wrap around the `firebase.database().ref()
 In addition to returning the list or value, the hooks provide an `error` and `loading` property
 to give a complete lifecycle for loading and listening to the Realtime Database.
 
+List of Realtime Database hooks:
+
 - [useList](#uselistref)
 - [useListKeys](#uselistkeystref)
 - [useListVals](#uselistvalstref-keyfield)

firestore/README.md

@@ -12,6 +12,8 @@ There are 2 variants of each hook:
 - `useX` which subscribes to the underlying Collection or Document and listens for changes
 - `useXOnce` which reads the current value of the Collection or Document
 
+List of Cloud Firestore hooks:
+
 - [useCollection](#usecollectionquery-options)
 - [useCollectionOnce](#usecollectiononcequery-options)
 - [useCollectionData](#usecollectiondatatref-idfield)

storage/README.md

@@ -1,11 +1,13 @@
-# Cloud Storage
+# React Firebase Hooks - Cloud Storage
 
 React Firebase Hooks provides convenience listeners for files stored within
 Firebase Cloud Storage. The hooks wrap around the `firebase.storage().ref().getDownloadURL()` method.
 
 In addition to returning the download URL, the hooks provide an `error` and `loading` property
 to give a complete lifecycle for loading from Cloud Storage.
 
+List of Cloud Storage hooks:
+
 - [useDownloadURL](#usedownloadurlref)
 
 ### `useDownloadURL(ref)`