pins 1.0.1

• board_azure() now allows you to set a path so that multiple boards can
  share the same container (#528, @hongooi73).

• board_deparse() is more likely to generate runnable code when used
  with board_rsconnect() (#553).

• legazy_azure() works once again (#527).

• legacy_github() works once again (#549).

• pin_meta() now includes pin name (#544).

• board_register() works better when called directly, due to standardisation
  of cache paths all computation (#529).

• Drop add-ins since they're not tested or documented (#525)