[Update] Update various configuration files, ESLint config, Prettier config, and added new files including a CHANGELOG.md.

.prettierrc.cjs

@@ -0,0 +1,36 @@
+"use strict";
+module.exports = {
+  plugins: ["@trivago/prettier-plugin-sort-imports", "prettier-plugin-tailwindcss"],
+  printWidth: 120,
+  tabWidth: 2,
+  useTabs: false,
+  semi: true,
+  singleQuote: false,
+  quoteProps: "consistent",
+  jsxSingleQuote: true,
+  trailingComma: "all",
+  bracketSpacing: true,
+  jsxBracketSameLine: false,
+  arrowParens: "always",
+  proseWrap: "preserve",
+  htmlWhitespaceSensitivity: "css",
+  endOfLine: "lf",
+  embeddedLanguageFormatting: "auto",
+  singleAttributePerLine: true,
+
+  tailwindAttributes: ["classNames", "wrapperClassName", "rootClassName"],
+  tailwindFunctions: ["twsx", "cn"],
+  tailwindConfig: "./tailwind.config.ts",
+
+  importOrder: [
+    "<THIRD_PARTY_MODULES>",
+    "^~/(app|components)/(.*)$",
+    "^~/(utils|hooks|context|lib)/(.*)$",
+    "^~/types/(.*)$",
+    "^~/(config|styles|actions|constant)/(.*)$",
+    "^(config|actions)$",
+    "^[./]",
+  ],
+  importOrderSeparation: true,
+  importOrderSortSpecifiers: true,
+};