docs: update generated docs (#1053)

Updates for both discovery docs and epydoc API Documentation

Fixes: #1049
diff --git a/docs/epy/googleapiclient._auth-module.html b/docs/epy/googleapiclient._auth-module.html
index cfa35eb..a166d77 100644
--- a/docs/epy/googleapiclient._auth-module.html
+++ b/docs/epy/googleapiclient._auth-module.html
@@ -56,10 +56,7 @@
 </table>
 <!-- ==================== MODULE DESCRIPTION ==================== -->
 <h1 class="epydoc">Module _auth</h1><p class="nomargin-top"><span class="codelink"><a href="googleapiclient._auth-pysrc.html">source&nbsp;code</a></span></p>
-<pre class="literalblock">
-Helpers for authentication using oauth2client or google-auth.
-
-</pre>
+<p>Helpers for authentication using oauth2client or google-auth.</p>
 
 <!-- ==================== FUNCTIONS ==================== -->
 <a name="section-Functions"></a>
@@ -84,7 +81,27 @@
     </td><td class="summary">
       <table width="100%" cellpadding="0" cellspacing="0" border="0">
         <tr>
-          <td><span class="summary-sig"><a name="default_credentials"></a><span class="summary-sig-name">default_credentials</span>()</span><br />
+          <td><span class="summary-sig"><a name="credentials_from_file"></a><span class="summary-sig-name">credentials_from_file</span>(<span class="summary-sig-arg">filename</span>,
+        <span class="summary-sig-arg">scopes</span>=<span class="summary-sig-default">None</span>,
+        <span class="summary-sig-arg">quota_project_id</span>=<span class="summary-sig-default">None</span>)</span><br />
+      Returns credentials loaded from a file.</td>
+          <td align="right" valign="top">
+            <span class="codelink"><a href="googleapiclient._auth-pysrc.html#credentials_from_file">source&nbsp;code</a></span>
+            
+          </td>
+        </tr>
+      </table>
+      
+    </td>
+  </tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+      <table width="100%" cellpadding="0" cellspacing="0" border="0">
+        <tr>
+          <td><span class="summary-sig"><a name="default_credentials"></a><span class="summary-sig-name">default_credentials</span>(<span class="summary-sig-arg">scopes</span>=<span class="summary-sig-default">None</span>,
+        <span class="summary-sig-arg">quota_project_id</span>=<span class="summary-sig-default">None</span>)</span><br />
       Returns Application Default Credentials.</td>
           <td align="right" valign="top">
             <span class="codelink"><a href="googleapiclient._auth-pysrc.html#default_credentials">source&nbsp;code</a></span>
@@ -234,6 +251,13 @@
         <a name="HAS_OAUTH2CLIENT"></a><span class="summary-name">HAS_OAUTH2CLIENT</span> = <code title="False">False</code>
     </td>
   </tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a name="__package__"></a><span class="summary-name">__package__</span> = <code title="'googleapiclient'"><code class="variable-quote">'</code><code class="variable-string">googleapiclient</code><code class="variable-quote">'</code></code>
+    </td>
+  </tr>
 </table>
 <!-- ==================== FUNCTION DETAILS ==================== -->
 <a name="section-FunctionDetails"></a>
@@ -344,7 +368,7 @@
 <table border="0" cellpadding="0" cellspacing="0" width="100%%">
   <tr>
     <td align="left" class="footer">
-    Generated by Epydoc 3.0.1 on Thu Apr 30 17:06:05 2020
+    Generated by Epydoc 3.0.1 on Fri Oct  2 20:46:21 2020
     </td>
     <td align="right" class="footer">
       <a target="mainFrame" href="http://epydoc.sourceforge.net"