"Build a Dapp" - Update

This MR contains updates on the "Build a Dapp" section without changing the logic :

• Update "Introduction" section
• Update "Taquito" section
• Update "Temple Wallet" section
• Add a subsection "Deploy" containing :
  • Introduction
  • Deploy with Taquito
  • Deploy with Truffle
• Minor update of "Frontend (Basics) section -> This one and "Frontend (Advanced)" should have a big update