Improve and add more token management functions and examples to support external id and access tokens.

Author: mobizt

src/Firebase.cpp

@@ -589,8 +589,8 @@ void FIREBASE_CLASS::mSetAuthToken(FirebaseConfig *config, MB_StringPtr authToke
 
     if (!config)
         return;
-        
-     this->reset(config);
+
+    this->reset(config);
 
     bool refresh = false;
 

src/Firebase.h

@@ -173,7 +173,7 @@ class Firebase_ESP_Client
   /** Reset stored config and auth credentials.
    *
    * @param config The pointer to FirebaseConfig data.
-   * 
+   *
    */
   void reset(FirebaseConfig *config);
 
@@ -489,7 +489,7 @@ class FIREBASE_CLASS
    */
   bool isTokenExpired();
 
-    /** Force the token to expire immediately and refresh.
+  /** Force the token to expire immediately and refresh.
    *
    * @param config The pointer to FirebaseConfig data.
    */
@@ -498,7 +498,7 @@ class FIREBASE_CLASS
   /** Reset stored config authentiocation credentials.
    *
    * @param config The pointer to FirebaseConfig data.
-   * 
+   *
    */
   void reset(FirebaseConfig *config);