feat: user-configurable querycache and formcache

[araujo88]

Adds user-configurable querycache and formcache.

Feature request: #3639

[codecov]

Codecov Report

Merging #3695 (8d7e2a0) into master (d16fdb1) will increase coverage by 0.29%.
Report is 1 commits behind head on master.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #3695      +/-   ##
==========================================
+ Coverage   99.01%   99.31%   +0.29%     
==========================================
  Files          42       42              
  Lines        3157     3189      +32     
==========================================
+ Hits         3126     3167      +41     
+ Misses         21       15       -6     
+ Partials       10        7       -3     

Flag	Coverage Δ
	99.31% <100.00%> (+0.29%)	⬆️
go-1.18	99.21% <100.00%> (+0.29%)	⬆️
go-1.19	99.31% <100.00%> (+0.29%)	⬆️
go-1.20	99.31% <100.00%> (+0.29%)	⬆️
macos-latest	99.31% <100.00%> (+0.29%)	⬆️
ubuntu-latest	99.31% <100.00%> (+0.29%)	⬆️

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Files Changed	Coverage Δ
context.go	98.55% <100.00%> (+0.55%)	⬆️
gin.go	99.21% <100.00%> (+0.01%)	⬆️

... and 2 files with indirect coverage changes