try to add CI

.github/workflows/actions.yml

@@ -0,0 +1,45 @@
+name: C/xcodebuild CI
+
+on:
+  push:
+    branches: [ main ]
+    tags: [ '*' ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    name: Build on ${{ matrix.os }}
+    timeout-minutes: 5
+    strategy:
+      matrix:
+        os:
+          - macos-14
+          #- macos-13
+          #- macos-12
+    runs-on: ${{ matrix.os }}
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        repository: getargv/getargv
+        path: getargv
+        token: ${{ secrets.GH_PAT }}
+    - name: Build libgetargv
+      run: make dylib
+      working-directory: getargv
+    - name: Install libgetargv
+      run: sudo make install_dylib
+      working-directory: getargv
+    - uses: actions/checkout@v4
+      with:
+        path: adv_cmds
+    - name: make
+      run: |
+        xcodebuild -list
+        xcodebuild -project ps build
+      working-directory: adv_cmds
+    # - uses: actions/upload-artifact@v4
+    #   with:
+    #     name: ${{ matrix.os }}.zip
+    #     path: |
+    #       adv_cmds/*