Implement extension version label

pages/popup/popup.css

@@ -228,7 +228,7 @@ footer {
     display: none;
 }
 
-.label-beta {
+.label-version {
     color: #6aac91;
     font-size: 9px;
 }

pages/popup/popup.html

@@ -23,7 +23,7 @@
     <header>
 
         <img class="icon-logo" src="icon.svg" alt="Extension Icon">
-        <div class="heading">Decentraleyes <sup class="label-beta">BETA</sup></div>
+        <div class="heading">Decentraleyes <sup id="version-label" class="label-version"></sup></div>
 
     </header>
 

pages/popup/popup.js

@@ -52,7 +52,15 @@ popup._determineScriptDirection = function (language) {
 
 document.addEventListener('DOMContentLoaded', function () {
 
-    let optionsButtonElement, optionsTitle, scriptDirection, i18nElements;
+    let version, optionsButtonElement, optionsTitle, scriptDirection, i18nElements;
+
+    version = browser.runtime.getManifest().version;
+
+    if (version.indexOf('beta') !== -1) {
+        version = 'BETA';
+    }
+
+    document.getElementById('version-label').innerText = version;
 
     optionsButtonElement = document.getElementById('options-button');
     optionsTitle = chrome.i18n.getMessage('optionsTitle');