ci: add internal playtest deploy

Merge internal playtest deploy workflow.

.gitea/workflows/deploy.yml

@@ -0,0 +1,51 @@
+name: Deploy Internal Playtest
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - .gitea/workflows/deploy.yml
+      - index.html
+      - package.json
+      - pnpm-lock.yaml
+      - public/**
+      - src/**
+      - tsconfig.json
+      - vite.config.ts
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Enable pnpm
+        run: |
+          corepack enable
+          corepack prepare pnpm@10.33.3 --activate
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Build
+        run: pnpm build
+
+      - name: Install deploy tools
+        run: |
+          apt-get update
+          apt-get install -y --no-install-recommends openssh-client rsync
+
+      - name: Configure SSH
+        run: |
+          install -m 700 -d ~/.ssh
+          printf '%s\n' "${{ secrets.IDLEGAME_DEPLOY_KEY }}" > ~/.ssh/id_ed25519
+          printf '%s\n' "${{ secrets.IDLEGAME_KNOWN_HOSTS }}" > ~/.ssh/known_hosts
+          chmod 600 ~/.ssh/id_ed25519
+          chmod 644 ~/.ssh/known_hosts
+
+      - name: Sync static files
+        run: |
+          ssh -i ~/.ssh/id_ed25519 -o UserKnownHostsFile=~/.ssh/known_hosts ginnoir@192.168.1.69 'mkdir -p /config/caddy/site/idlegame'
+          rsync -az --delete -e 'ssh -i ~/.ssh/id_ed25519 -o UserKnownHostsFile=~/.ssh/known_hosts' dist/ ginnoir@192.168.1.69:/config/caddy/site/idlegame/