Enforce double quotes in theme tokens and update script

Updated all font family string values in dark and light theme token files to use double quotes for consistency and style compliance. Also enhanced the 'generate-tokens' script in package.json to run eslint --fix after formatting with Prettier.

Author: vineethasok

package.json

@@ -39,7 +39,7 @@
     "build:watch": "watch 'yarn build' ./src",
     "chromatic": "npx chromatic",
     "dev": "vite",
-    "generate-tokens": "node build-tokens.js && prettier --write src/theme/tokens/*.ts",
+    "generate-tokens": "node build-tokens.js && prettier --write src/theme/tokens/*.ts && eslint --fix src/theme/tokens/*.ts",
     "lint": "eslint src --report-unused-disable-directives --max-warnings 0",
     "prettify": "prettier --write \"src/**/*.{js,jsx,ts,tsx}\" --config .prettierrc",
     "prettier:check": "prettier --check \"src/**/*.{js,jsx,ts,tsx}\" --config .prettierrc",