feat(eslint): add eslint rules among prettier

.eslintignore

@@ -0,0 +1,3 @@
+node_modules
+.next
+next-env.d.ts

.eslintrc

@@ -1,3 +1,10 @@
 {
-  "extends": "next/core-web-vitals"
+  "extends": ["next/core-web-vitals", "prettier"],
+  "plugins": ["prettier"],
+  "rules": {
+    "prettier/prettier": "error",
+    "no-unused-vars": "warn",
+    "no-console": "off",
+    "@next/next/no-img-element": "off"
+  }
 }