Replaced the vanilla JavaScript-based UI with React + Replaced Flatpi…

…ckr with Air Datepicker + Fixed rendering of bitmap metrics when gaps are present

CHANGELOG.md

@@ -1,4 +1,7 @@
 - ?
+    + Replaced the vanilla JavaScript-based UI with React.
+    + Replaced Flatpickr with Air Datepicker.
+    + Fixed rendering of bitmap metrics when gaps are present.
     + Updated dependencies.
         * Go
             - go-duckdb 1.8.4 ➙ 1.8.5

assets/webpack/.eslintrc.json

@@ -4,12 +4,20 @@
     "es2021": true
   },
   "extends": [
-    "eslint:recommended"
+    "eslint:recommended",
+    "plugin:react/recommended"
   ],
   "parserOptions": {
     "ecmaVersion": 12,
-    "sourceType": "module"
+    "sourceType": "module",
+    "ecmaFeatures": {
+      "jsx": true
+    }
   },
+  "plugins": [
+    "react",
+    "react-hooks"
+  ],
   "globals": {
     "varnishmon": "readonly"
   },
@@ -21,5 +29,10 @@
     "no-unused-vars": ["warn", { "argsIgnorePattern": "^_" }],
     "eqeqeq": ["error", "smart"],
     "curly": ["error", "all"]
+  },
+  "settings": {
+    "react": {
+      "version": "detect"
+    }
   }
 }