feat: 后端改为deno

backend-deno/deno.json

@@ -0,0 +1,12 @@
+{
+  "imports": {
+    "hono": "https://deno.land/x/hono@v3.12.8/mod.ts",
+    "ws": "https://deno.land/std@0.208.0/ws/mod.ts",
+    "cors": "https://deno.land/x/hono@v3.12.8/middleware/cors/index.ts",
+    "logger": "https://deno.land/x/hono@v3.12.8/middleware/logger/index.ts"
+  },
+  "tasks": {
+    "start": "deno run --allow-net --allow-run --allow-read --allow-write --allow-env main.ts",
+    "dev": "deno run --allow-net --allow-run --allow-read --allow-write --watch --allow-env main.ts"
+  }
+}