Add action types with validation (#472)

Author: krzema12

.github/workflows/test.yml

@@ -95,3 +95,9 @@ jobs:
         if: ${{ matrix.os == 'windows-latest' }}
       - run: ./program.kexe
         if: ${{ matrix.os != 'windows-latest' }}
+
+  validate-typings:
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: actions/checkout@v4
+      - uses: typesafegithub/github-actions-typing@v1

action-types.yml

@@ -0,0 +1,8 @@
+inputs:
+  version:
+    type: string
+  install-native:
+    type: boolean
+  script:
+    type: string
+