Bing search for China users (#9845)

* Updates readme's site building instructions

* Alters dockerfile to use extended hugo build

This is necessary for the pipes used w/ TOCSS since node-sass was dropped

* WIP for bing search implementation

* Implements Bing search instead of google

* Makes bing the default result provider and uses google and it's available

* Adds pagination to bing and replaces the $.get call with a $.ajax call

* front adjust

* bing limit pagination

* Adds break if there are less than 10 pages worth of results on bing search

* Adds proper google script ref and proper config id

* Removes console.log call

assets/sass/_base.sass

@@ -1775,3 +1775,37 @@ $feature-box-div-margin-bottom: 40px
 
 .gsc-above-wrapper-area
 	border-bottom: 0;
+
+
+
+/* Bing Search */
+#bing-results-container
+    margin-top: 30px
+    margin-left: 20px
+
+.bing-result
+    margin-bottom: 20px
+
+.bing-result-name a
+    font-size: 16px
+    color: #0000CC
+
+
+.bing-result-url
+    color: #008000
+    font-size: 13px
+
+.bing-result-snippet
+    color: #000
+    font-size: 11px
+
+#bing-pagination-container
+	margin: 10px
+	margin-left: 20px
+
+.bing-page-anchor
+    text-decoration: none!important
+    cursor: pointer
+    color: #0000CC
+    margin-right: 8px
+