add naxis and printing to CarClenshawCurtis to close #43

[xzackli]

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[codecov-commenter]

Codecov Report

Merging #46 (d863d83) into main (0d414bc) will decrease coverage by 0.13%.
The diff coverage is 57.14%.

@@            Coverage Diff             @@
##             main      #46      +/-   ##
==========================================
- Coverage   85.00%   84.87%   -0.14%     
==========================================
  Files           6        6              
  Lines         527      529       +2     
==========================================
+ Hits          448      449       +1     
- Misses         79       80       +1     

Impacted Files	Coverage Δ
src/enmap.jl	75.14% <57.14%> (+0.14%)	⬆️
src/plot.jl	60.71% <0.00%> (-1.36%)	⬇️
src/enmap_ops.jl	90.57% <0.00%> (-0.10%)	⬇️

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