Put authorizations into popup

src/main/template/auth_button.handlebars

@@ -0,0 +1 @@
+<a class='authorize__btn'>Authorize</a>

src/main/template/main.handlebars

@@ -16,6 +16,8 @@
 <div class='container' id='resources_container'>
   <div class="auth_main_container"></div>
 
+  <div class='authorize-wrapper'></div>
+
   <ul id='resources'></ul>
 
   <div class="footer">

src/main/template/popup.handlebars

@@ -0,0 +1,10 @@
+<div class="api-popup-dialog-wrapper">
+    <div class="api-popup-title">{{title}}</div>
+    <div class="api-popup-content">
+        {{{content}}}
+    </div>
+    <p class="error-msg"></p>
+    <div class="api-popup-actions">
+        <button class="api-popup-cancel api-button gray" type="button">Cancel</button>
+    </div>
+</div>