fix: async plugin (#19)

Author: Eomm

snippets/snippets-js.json

@@ -21,8 +21,8 @@
       "ffplugin"
     ],
     "body": [
-      "app.register(function plugin (app, opts, next) {",
-      "  next()",
+      "app.register(async function plugin (app, opts) {",
+      "  ${0}",
       "})"
     ],
     "description": "Add an empty plugin"

snippets/snippets-ts.json

@@ -19,8 +19,8 @@
 		"scope": "typescript",
 		"prefix": ["ffregister", "ffplugin"],
 		"body": [
-			"app.register(function plugin (app, opts, next) {",
-			"  next()",
+			"app.register(async function plugin (app, opts) {",
+			"  ${0}",
 			"})"
 		],
 		"description": "Add an empty plugin"