chore: add CI test for building example blugin

.github/workflows/test_example_plugin_build.yml

@@ -0,0 +1,32 @@
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+name: Test Example Plugin Build
+
+jobs:
+  Precompile:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - ubuntu-latest
+          - macOS-latest
+          - windows-latest
+    steps:
+      - uses: actions/checkout@v4
+        name: Checkout irondash/hello_rust_ffi_plugin
+        with:
+          fetch-depth: 0
+          repository: irondash/hello_rust_ffi_plugin
+      - name: Extract branch name
+        shell: bash
+        run: echo "branch=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}" >> $GITHUB_OUTPUT
+        id: extract_branch
+      - name: Update Cargokit
+        shell: batch
+        run: git subtree pull --prefix cargokit https://github.com/irondash/cargokit.git ${{ steps.extract_branch.outputs.branch }} --squash
+