feat: show not a git repository message in the git panel

Author: devvaannsh

src/extensions/default/Git/src/Panel.js

@@ -904,7 +904,8 @@ define(function (require, exports) {
         $gitPanel.find(".git-file-history").removeClass("active").attr("title", Strings.TOOLTIP_SHOW_FILE_HISTORY);
 
         if (gitPanelMode === "not-repo") {
-            $tableContainer.empty();
+            $tableContainer.html($("<p class='git-edited-list nothing-to-commit'/>")
+                .text(StringUtils.format(Strings.GIT_NOT_REPO_MESSAGE, Strings.GIT_INIT, Strings.GIT_CLONE)));
             return Promise.resolve();
         }
 

src/nls/root/strings.js

@@ -2233,6 +2233,7 @@ define({
     "TOOLTIP_SHOW_HISTORY": "Show history",
     "GIT_SHOW_FILE_HISTORY": "File Commit history",
     "GIT_SHOW_HISTORY": "Commit history",
+    "GIT_NOT_REPO_MESSAGE": "This project is not a Git repository. Click the {0} button to create a new repository here, or {1} to download an existing one.",
     "GIT_HISTORY_NOTHING_TO_SHOW": "No commits yet. Committed changes will show up here.",
     "GIT_FILE_HISTORY_NOTHING_TO_SHOW": "There is no commit history for this file yet.",
     "GIT_FILE_HISTORY_OPEN_A_FILE": "Open a file in the editor to see its commit history.",