Fix reader macro handling in namespace :require forms (fixes #111)

[scgerkin]

Fix for #111

Fixes reader macro handling in :require forms by treating reader macros as comments that attach to the following dependency rather than as independent, sortable elements.

• Fixed crash: Added :map case to libspec-sort-key to handle complex reader macros like #_{:key value} by treating them as :uneval
• Fixed positioning: Changed parse-list-with-comments to treat :uneval reader macros as comments that accumulate with regular comments and attach to the next dependency
• Added unit tests to verify both sorting and complex types behavior

;; Before (incorrect - reader macro moves to wrong position)
(:require
  #_:clj-kondo/ignore  ; ← affects wrong dependency
  [ab.cd.x :as x]
  [ab.cd.y :as y])

;; After (correct - reader macro stays with intended target)
(:require
  [ab.cd.x :as x]
  #_:clj-kondo/ignore  ; ← stays with intended target
  [ab.cd.y :as y])

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.83%. Comparing base (d40540a) to head (a8580f9).
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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #112      +/-   ##
==========================================
- Coverage   89.94%   89.83%   -0.11%     
==========================================
  Files          20       20              
  Lines        1929     1928       -1     
  Branches       59       59              
==========================================
- Hits         1735     1732       -3     
- Misses        135      137       +2     
  Partials       59       59              

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