feat: initial packwiz building in actions CI

.github/workflows/publish-pack.yml

@@ -1,17 +1,19 @@
 name: Publish Modpack Archive
-run-name: ${{ github.actor }} is testing out GitHub Actions 🚀
+run-name: Publish latest mcpack file
 on: [push]
 jobs:
   Prepare Go environment:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        go-version: ["1.19", "1.20", "1.21.x"]
     steps:
       - uses: actions/checkout@v6
       - name: Setup Go ${{ matrix.go-version }}
         uses: actions/setup-go@v5
         with:
-          go-version: ${{ matrix.go-version }}
+          go-version: "1.26"
-      - name: Display Go version
+      - name: Install dependencies
-        run: go version
+        run: |
+          go install github.com/packwiz/packwiz@latest
+      - name: Build mcpack file with packwiz
+        run: |
+          packwiz modrinth export
+          ls