added build CI

.gitea/workflows/build-modpack.yml

@@ -0,0 +1,62 @@
+name: Build and host modpack
+
+on: [push, pull_request, workflow_dispatch]
+
+permissions:
+  contents: read
+  packages: write
+
+jobs:
+  build_pdf:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: 'stable'
+          cache: true
+
+      - name: Cache Packwiz Binary
+        id: cache-packwiz
+        uses: actions/cache@v4
+        with:
+          path: ~/go/bin/packwiz
+          key: ${{ runner.os }}-packwiz-binary
+
+      - name: Install Packwiz
+        if: steps.cache-packwiz.outputs.cache-hit != 'true'
+        run: go install github.com/packwiz/packwiz@latest
+
+      - name: Add GOBIN to Path
+        run: echo "$(go env GOPATH)/bin" >> $GITHUB_PATH
+
+      - name: Build modpack
+        run: |
+          packwiz modrinth export -o "${{ github.event.repository.name }}-modrinth.mrpack"
+          packwiz curseforge export -o "${{ github.event.repository.name }}-curseforge.zip"
+
+      - name: Delete old versions
+        continue-on-error: true
+        run: |
+          curl -v -X DELETE -s \
+            -u "strawberries:${{ secrets.TOKEN }}" \
+            "${{ github.server_url }}/api/packages/${{ github.repository_owner }}/generic/${{ github.event.repository.name }}/latest/${{ github.event.repository.name }}-modrinth.mrpack"
+          curl -v -X DELETE -s \
+            -u "strawberries:${{ secrets.TOKEN }}" \
+            "${{ github.server_url }}/api/packages/${{ github.repository_owner }}/generic/${{ github.event.repository.name }}/latest/${{ github.event.repository.name }}-curseforge.zip"
+
+      - name: Upload to Gitea Generic Packages
+        run: |
+          ls -lash
+          curl -v \
+            -u strawberries:${{ secrets.TOKEN }} \
+            --upload-file "${{ github.event.repository.name }}-modrinth.mrpack" \
+            "${{ github.server_url }}/api/packages/${{ github.repository_owner }}/generic/${{ github.event.repository.name }}/latest/${{ github.event.repository.name }}-modrinth.mrpack"
+          curl -v \
+            -u strawberries:${{ secrets.TOKEN }} \
+            --upload-file "${{ github.event.repository.name }}-curseforge.zip" \
+            "${{ github.server_url }}/api/packages/${{ github.repository_owner }}/generic/${{ github.event.repository.name }}/latest/${{ github.event.repository.name }}-curseforge.zip"
+