update lint

Author: shivamSspirit

basics/close-account/poseidon/.prettierignore

@@ -0,0 +1,7 @@
+.anchor
+.DS_Store
+target
+node_modules
+dist
+build
+test-ledger

basics/close-account/poseidon/package.json

@@ -1,7 +1,8 @@
 {
   "scripts": {
     "lint:fix": "prettier */*.js \"*/**/*{.js,.ts}\" -w",
-    "lint": "prettier */*.js \"*/**/*{.js,.ts}\" --check"
+    "lint": "prettier */*.js \"*/**/*{.js,.ts}\" --check",
+    "ts-mocha": "ts-mocha --project tsconfig.json"
   },
   "dependencies": {
     "@coral-xyz/anchor": "^0.30.0",