Changed

• Reordered exercises
  • Unwrapped standard_library_types into iterators and smart_pointers
  • Moved smart pointer exercises behind threads
  • Ordered rc1 before arc1
• intro1: Added a note on rustlings lsp
• threads1: Panic if threads are not joined
• cli:
  • Made progress bar update proportional to amount of files verified
  • Decreased watch delay from 2 to 1 second

Fixed

• Capitalized "Rust" in exercise hints
• enums3: Removed superfluous tuple brackets
• quiz2, clippy1, iterators1: Fixed a typo
• rc1: Fixed a prompt error
• cli:
  • Fixed a typo in a method name
  • Specified the edition in rustc commands

Housekeeping

• Bumped min Rust version to 1.58 in installation script