init settings view and refresh action

Signed-off-by: Sanjula Ganepola <sanjulagane@gmail.com>

src/views/settings/variables.ts

@@ -0,0 +1,16 @@
+import { ThemeIcon, TreeItem, TreeItemCollapsibleState } from "vscode";
+import { GithubLocalActionsTreeItem } from "../githubLocalActionsTreeItem";
+
+export default class VariablesTreeItem extends TreeItem implements GithubLocalActionsTreeItem {
+    static contextValue = 'variables';
+
+    constructor() {
+        super('Variables', TreeItemCollapsibleState.Collapsed);
+        this.contextValue = VariablesTreeItem.contextValue;
+        this.iconPath = new ThemeIcon('symbol-key');
+    }
+
+    async getChildren(): Promise<GithubLocalActionsTreeItem[]> {
+        return [];
+    }
+}