More configuration for vite

- build in 'build' folder instead of dist, so the deploy task is
  unchanged
- adding eslint (was part of cra, but not natively in vite) and fix
  linter issues
- adding vite checker plugin to run TSC & eslint in live mode

.eslintrc

@@ -0,0 +1,17 @@
+{
+    "root": true,
+    "ignorePatterns": ["**/build/*", "**/dist/*", "**/lib/*"],
+    "parser": "@typescript-eslint/parser",
+    "extends": [
+      "eslint:recommended",
+      "plugin:@typescript-eslint/eslint-recommended",
+      "plugin:@typescript-eslint/recommended",
+      "plugin:react-hooks/recommended"
+    ],
+    "plugins": ["react", "prettier","@typescript-eslint"],
+    "rules": {
+      "@typescript-eslint/no-unused-vars": ["warn", { "argsIgnorePattern": "^_" }],
+      "no-extra-boolean-cast": "off"
+    }
+  }
+

.gitignore

@@ -13,7 +13,7 @@
 /coverage
 
 # production
-/dist
+/build
 
 # misc
 .DS_Store