style(eslintrc, eslintignore): add lint and ignore files

.eslintignore

@@ -0,0 +1,3 @@
+**/node_modules/*
+**/out/*
+**/.next/*

.eslintrc.json

@@ -0,0 +1,100 @@
+{
+  "plugins": [
+    "testing-library",
+    "unused-imports"
+  ],
+  "extends": [
+    "next/core-web-vitals"
+  ],
+  "rules": {
+    "no-unused-vars": "off",
+    "react/require-default-props": 0,
+    "unused-imports/no-unused-imports": "error",
+    "@typescript-eslint/explicit-module-boundary-types": 0,
+    "react/jsx-filename-extension": [
+      1,
+      {
+        "extensions": [
+          ".ts",
+          ".tsx"
+        ]
+      }
+    ],
+    "react/jsx-props-no-spreading": 0,
+    "jsx-a11y/anchor-is-valid": 0,
+    "react/react-in-jsx-scope": 0,
+    "react/display-name": 0,
+    "react/prop-types": 0,
+    "@typescript-eslint/explicit-function-return-type": 0,
+    "@typescript-eslint/explicit-member-accessibility": 0,
+    "@typescript-eslint/indent": 0,
+    "@typescript-eslint/member-delimiter-style": 0,
+    "@typescript-eslint/no-explicit-any": 0,
+    "@typescript-eslint/no-var-requires": 0,
+    "no-use-before-define": 0,
+    "@typescript-eslint/no-use-before-define": 0,
+    "import/extensions": [
+      "error",
+      "never",
+      {
+        "svg": "always"
+      }
+    ],
+    "react/no-unescaped-entities": 0,
+    "jsx-a11y/label-has-associated-control": 0,
+    "react/no-unused-prop-types": 0,
+    "no-underscore-dangle": 0,
+    "quotes": [
+      "error",
+      "double"
+    ],
+    "semi": [
+      "error",
+      "always"
+    ],
+    "indent": [
+      "error",
+      2
+    ],
+    "@typescript-eslint/no-unused-vars": [
+      0,
+      {
+        "argsIgnorePattern": "^_"
+      }
+    ],
+    "no-console": [
+      2,
+      {
+        "allow": [
+          "warn",
+          "error"
+        ]
+      }
+    ],
+    "import/order": [
+      "error",
+      {
+        "groups": [
+          "builtin",
+          "external",
+          "internal"
+        ],
+        "pathGroups": [
+          {
+            "pattern": "react",
+            "group": "external",
+            "position": "before"
+          }
+        ],
+        "pathGroupsExcludedImportTypes": [
+          "react"
+        ],
+        "newlines-between": "always",
+        "alphabetize": {
+          "order": "asc",
+          "caseInsensitive": true
+        }
+      }
+    ]
+  }
+}