chore: Improve the output of dfx build and dfx generate

[vincent-dfinity]

Description

Improve the output of dfx build and dfx generate by

1. output the canister names for dfx build, like

   $ dfx build
   Building canister 'hello_world_backend'. 
   Building canister 'hello_world_frontend'.
   Finished building canisters
   

2. Make the output of 'dfx generate' more readable, like

   $ dfx generate
   Generated type declarations for canister 'hello_frontend' to '/home/***/projects/hello/src/declarations/hello_frontend'
   

Fixes # (issue)

SDK-1997
SDK-1998

How Has This Been Tested?

Added e2e test.

Checklist:

• The title of this PR complies with Conventional Commits.
• I have edited the CHANGELOG accordingly.
• I have made corresponding changes to the documentation.