separated demo from modular code to be published in this branch

Author: thecapedcrusader

.eslintignore

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+# don't lint build or dist output
+dist
+build

.eslintrc.json

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+{
+    "env": {
+        "browser": true,
+        "es2021": true
+    },
+    "extends": [
+        "eslint:recommended",
+        "plugin:react/recommended",
+        "plugin:@typescript-eslint/recommended"
+    ],
+    "parser": "@typescript-eslint/parser",
+    "parserOptions": {
+        "ecmaFeatures": {
+            "jsx": true
+        },
+        "ecmaVersion": "latest",
+        "sourceType": "module"
+    },
+    "plugins": [
+        "react",
+        "@typescript-eslint"
+    ],
+    "rules": {
+        "indent": ["warn", 2, {
+            "ignoreComments": false,
+            "SwitchCase": 1,
+            "MemberExpression": 0,
+            "flatTernaryExpressions": true
+          }],
+          "no-unused-vars": ["off", { "vars": "local" }],
+          "no-case-declarations": "warn",
+          "prefer-const": "warn",
+          "quotes": ["warn", "single"],
+          "react/prop-types": "off",
+          "semi": ["warn", "always"],
+          "space-infix-ops": "warn"
+    }
+}

.prettierrc

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+{
+    "semi": true,
+    "trailingComma": "none",
+    "singleQuote": true,
+    "printWidth": 80
+  }