add footer and some build infrastrucutre

.gitignore

@@ -2,4 +2,5 @@
 site
 
 .venv
-__pycache__
+__pycache__
+node_modules

_footer.html

@@ -0,0 +1,19 @@
+<style>
+footer {
+    display: flex;
+}
+.flex-1 {
+    flex: 1
+}
+.flex-2 {
+    flex: 2
+}
+</style>
+<footer>
+    <div class="flex-1">
+        Some Stuff for the first row
+    </div>
+    <div class="flex-2">
+        Some Stuff for the second row
+    </div>        
+</footer>

index.html

@@ -24,27 +24,9 @@
       coverpage: true
     }
   </script>
-  <script src="//unpkg.com/docsify/lib/docsify.min.js"></script>
-  <script src="//unpkg.com/docsify/lib/plugins/search.min.js"></script>
-  <script src="//unpkg.com/docsify/lib/plugins/zoom-image.min.js"></script>
-  <!-- <script>
-    window.$docsify = {
-      plugins: [
-        function(hook) {
-          var footer = [
-            '<hr/>',
-            '<footer>',
-            '<span><a href="https://github.com/QingWei-Li">cinwell</a> &copy;2017.</span>',
-            '<span>Proudly published with <a href="https://github.com/docsifyjs/docsify" target="_blank">docsify</a>.</span>',
-            '</footer>'
-          ].join('');
-    
-          hook.afterEach(function(html) {
-            return html + footer;
-          });
-        }
-      ]
-    }
-  </script> -->
+  <script src="lib/docsify.min.js"></script>
+  <script src="lib/plugins/search.min.js"></script>
+  <script src="lib/plugins/zoom-image.min.js"></script>
+  <script src="lib/plugins/footer.js"></script>
 </body>
 </html>

lib/plugins/footer.js

@@ -0,0 +1,26 @@
+/**
+ * docsify plugin to insert the _footer.html at the bottom of
+ * each page in your documentation project.
+ * 
+ * copyright 2019-07-18 by IT'IS Foundation
+ * author [email protected]
+ * license MIT
+ * 
+ * create _footer.html file in the root of you project and
+ * load this script ... done.
+ */
+(function(){
+    let install = function (hook, vm) {
+        let loader = new XMLHttpRequest();
+        let footer = "<p><tt>_footer.html</tt> not loaded yet.</p>";
+        loader.addEventListener("load",function(){
+            footer = this.response;
+        });
+        loader.open("GET", "_footer.html");
+        loader.send();
+        hook.afterEach(function(html,next) {
+            next(html + footer);
+        });
+    };
+    $docsify.plugins = [].concat(install, $docsify.plugins);
+})();