fix: clean dist before build and add dist to gitignore

Author: vinitkumar

.gitignore

@@ -6,3 +6,6 @@ npm-debug.log
 .sass-cache
 .env 
 data/*
+.vercel
+.env*.local
+dist/

package.json

@@ -6,7 +6,7 @@
   "private": false,
   "author": "Vinit Kumar <[email protected]> (http://vinitkumar.me)",
   "scripts": {
-    "build": "npx tsc -p tsconfig.prod.json",
+    "build": "rm -rf dist && npx tsc -p tsconfig.prod.json",
     "build:dev": "npx tsc",
     "start": "ts-node server.ts",
     "start:prod": "node dist/server.js",