feat(#267): Added deployment

.github/workflows/cd.yml

@@ -0,0 +1,18 @@
+name: Test CD
+
+on:
+  push:
+    branches:
+      - 267-multiplayer-mode
+
+jobs:
+  run_pull:
+    name: run pull
+    runs-on: ubuntu-latest
+    steps:
+      - name: install liefer
+        run: |
+          go install github.com/lxgr-linux/liefer@latest
+      - name: deploy
+        run: |
+          ~/go/bin/liefer deliver pokete_server 267-multiplayer-mode ${{ secrets.LIEFER_PRIVKEY }} --address ${{ secrets.LXGR_HOST }}:8080