Full firebase support

1. Connected all Images with firebase
2. Deleted all unnecessary files
3. Not responsive till now

UI Update

1. Updated the whole UI of the website
   1. Added more layers to the web (previously it has only a home page)
   2. Added Playstore link in home page and in the footer
   3. Used Stack in most of the UI
   4. Images are still static
2. All the texts are being fetched from the database
3. Removed some basic functionalities (for now)
   1. Previously it was showing the orders, but not it's a static website
   2. No Alert boxes