Added Shadcn ui elements and form elements

Added Shadcn ui table

Added swr for api request

Added next js toploader

Updated to Next.js to 15

Updated api routes

Added Frontend Pages

* Homepage

* About

* Contact

* Portfolio

* Blog

* Pricing

Added New Invoice App

* Invoice List page

* Invoice Edit page

* Invoice Detail page

Added Many Example of React Tables

* Basic Table

* Dense Table

* Filter Table

* Row Selection Table

* Pagination Table

* Sorting Table

* Column Visibility Table

* Drag n Drop Table

* Editable Table

* Empty Table

* Expanding Table

* Sticky Table

We have added Code Model in to the pages

* Ui Components

* Widget Banner

* Widget Cards

* Widget Charts

* Form Elements

* Form Vertical

* Form Horizontal

* Form Layout

Solve some minor bug

Initial Release