add: workflow dispatch for test-and-lint.yml

Author: MahdiBaghbani

.github/workflows/test-and-lint.yml

@@ -4,6 +4,9 @@ on:
     branches: [ master, stable ]
   pull_request:
     branches: [ master, stable ]
+  # Allows you to run this workflow manually from the Actions tab.
+  workflow_dispatch:
+
 jobs:
   build:
     name: node.js