Add GitHub Actions workflows for building and releasing the Jellyfin plugin

.gitea/workflows/build_internal.yaml

@@ -0,0 +1,39 @@
+on:
+  workflow_call:
+    inputs:
+      dotnet-version:
+        required: false
+        default: "9.0.x"
+        description: "The .NET version to setup for the build"
+        type: string
+      dotnet-target:
+        required: false
+        default: "net9.0"
+        description: "The .NET target to set for JPRM"
+        type: string
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+
+      - name: Setup .NET
+        uses: actions/setup-dotnet@2016bd2012dba4e32de620c46fe006a3ac9f0602 # v5.0.1
+        with:
+          dotnet-version: "${{ inputs.dotnet-version }}"
+
+      - name: Build Jellyfin Plugin
+        uses: oddstr13/jellyfin-plugin-repository-manager@9497a0a499416cc572ed2e07a391d9f943a37b4d # v1.1.1
+        id: jprm
+        with:
+          dotnet-target: "${{ inputs.dotnet-target }}"
+
+      - name: Upload Artifact
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6
+        with:
+          name: build-artifact
+          retention-days: 30
+          if-no-files-found: error
+          path: ${{ steps.jprm.outputs.artifact }}