issues/414: improve id generation

[komuw]

Use a simpler id generation algorithm

benchmark:
old-one  465.3 ns/op	 3 allocs/op
new-one  206.2 ns/op	 2 allocs/op

• FIxes: new id.New() #414
• Updates: ong/id: use base32 instead of base64 #409
• Relation: ed0f7fd
• Inspired by: https://github.com/asggo/random

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (2fb1649) 69.65% compared to head (25fe250) 69.68%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #415      +/-   ##
==========================================
+ Coverage   69.65%   69.68%   +0.03%     
==========================================
  Files          52       52              
  Lines        6192     6192              
==========================================
+ Hits         4313     4315       +2     
+ Misses       1556     1555       -1     
+ Partials      323      322       -1     

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