[Fix] 修复无法调用类函数的问题

[Feat] Context merge功能
[Feat] VSCode 拓展现已更为 fig-vscode.

fig-vscode/src/extension.ts

@@ -0,0 +1,7 @@
+import * as vscode from 'vscode';
+
+export function activate(context: vscode.ExtensionContext) {
+    console.log('Fig extension is now active!');
+}
+
+export function deactivate() {}