alpha code dev

[jdha]

• Closes Remove " from cn_ variables #4 Need to handle additional sn_ structures #5 After any mods colour the entry to show it's changed #6 Finish Search box function #8 Namelist write out function #9 Sort out pre-commit #14
• Passes pre-commit run --all-files
• Changes are documented in whats-new.rst
• Project, label, and assignee tabs are populated

[codecov-commenter]

Codecov Report

Merging #15 (434b19e) into main (47cda69) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #15   +/-   ##
=======================================
  Coverage   60.00%   60.00%           
=======================================
  Files           1        1           
  Lines           5        5           
=======================================
  Hits            3        3           
  Misses          2        2           

Flag	Coverage Δ
unittests	60.00% <ø> (ø)

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[jdha]

Closing this PR and merging as I need to first look at f90nml integration