Add workflow dispatch with OS input options

Author: SupTan85

.github/workflows/blank.yml

@@ -1,13 +1,21 @@
 name: checker
 on:
+  workflow_dispatch:
+    inputs:
+      chosen-os:
+        required: true
+        type: choice
+        options:
+        - lowpower
+        - ubuntu-22.04
   push:
     branches: ["main"]
   pull_request:
     branches: ["main"]
 
 jobs:
   unified_name_check:
-    runs-on: ubuntu-22.04
+    runs-on: ${{ github.event_name == 'workflow_dispatch' && inputs.runner_os || 'ubuntu-22.04' }}
     steps:
       - name: install luajit
         run: sudo apt-get install luajit -y