fix: Source code link + Manifest.json update name

src/index.html

@@ -1311,6 +1311,9 @@
           No server. No data sent anywhere.<br>
           Open &amp; save files via your local filesystem.
         </div>
+	<div style="font-size:14px;line-height:1.6;text-align:center;">
+	  <a style="color:#295991;" href="https://github.com/potentzero/pascar" target="_blank">Source code</a>
+	  by Nirmal Kumar R.
       </div>
       <div class="dialog-buttons"><button class="btn primary" id="d-about-ok">OK</button></div>
     `, () => {
@@ -1348,4 +1351,5 @@
 })();
 </script>
 </body>
-</html>
+</html>
+