chore: update deno tasks

Author: linhub15

deno.json

@@ -1,8 +1,8 @@
 {
   "tasks": {
     "dev": "deno run -A --watch=sr/static/,src/routes/ src/dev.ts",
-    "build": "deno run -A dev.ts build",
-    "start": "deno run -A main.ts",
+    "build": "deno run -A src/dev.ts build",
+    "start": "deno run -A src/main.ts",
     "update": "deno run -A -r jsr:@fresh/update ."
   },
   "imports": {