chore: Add eslint, prettier config

.eslintrc

@@ -0,0 +1,30 @@
+{
+  "parser": "@typescript-eslint/parser",
+  "extends": ["airbnb", "prettier"],
+  "plugins": ["@typescript-eslint"],
+  "settings": {
+    "react": {
+      "pragma": "h"
+    }
+  },
+  "rules": {
+    "eol-last": "off",
+    "no-unused-vars": "off",
+    "class-methods-use-this": "off",
+    "global-require": "off",
+    "no-underscore-dangle": "off",
+
+    "import/no-dynamic-require": "off",
+    "import/no-extraneous-dependencies": "off",
+    "import/no-unresolved": "off",
+    "import/extensions": "off",
+    "import/prefer-default-export": "off",
+
+    "@typescript-eslint/no-unused-vars": [
+      "error",
+      {
+        "argsIgnorePattern": "^_"
+      }
+    ]
+  }
+}

.gitignore

@@ -1,3 +1,4 @@
 *.log
 dist
 node_modules
+.vscode

.prettierrc

@@ -0,0 +1,4 @@
+{
+  "singleQuote": true,
+  "semi": true
+}

package.json

@@ -7,5 +7,14 @@
   "license": "MIT",
   "workspaces": [
     "packages/*"
-  ]
+  ],
+  "devDependencies": {
+    "@typescript-eslint/eslint-plugin": "^4.3.0",
+    "@typescript-eslint/parser": "^4.3.0",
+    "eslint": "^7.10.0",
+    "eslint-config-airbnb-base": "^14.2.0",
+    "eslint-config-prettier": "^6.12.0",
+    "eslint-plugin-import": "^2.22.1",
+    "typescript": "^4.0.3"
+  }
 }