feat(filters): add possibility to filter by text range like "a..e"

[ghiscoding]

No description provided.

[codecov]

Codecov Report

Merging #711 (ccf67e9) into master (e50a060) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master      #711   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          159       159           
  Lines        10626     10651   +25     
  Branches      3756      3771   +15     
=========================================
+ Hits         10626     10651   +25     

Impacted Files	Coverage Δ
...grid/filter-conditions/filterConditionProcesses.ts	100.00% <100.00%> (ø)
...ickgrid/filter-conditions/stringFilterCondition.ts	100.00% <100.00%> (ø)

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