feat: Add dosguard to new webserver

[kuznetsss]

For #919. After this the only thing left which is to switch to the new web server by default and delete the old code.

[codecov]

Codecov Report

Attention: Patch coverage is 73.23944% with 38 lines in your changes missing coverage. Please review.

Project coverage is 71.96%. Comparing base (4ff2953) to head (ff23ddc).
Report is 1 commits behind head on develop.

Files with missing lines	Patch %	Lines
src/app/WebHandlers.hpp	24.24%	3 Missing and 22 partials ⚠️
src/app/ClioApplication.cpp	0.00%	6 Missing ⚠️
src/web/ng/impl/HttpConnection.hpp	50.00%	0 Missing and 3 partials ⚠️
src/web/ng/Response.cpp	96.00%	1 Missing and 1 partial ⚠️
src/web/ng/Server.cpp	88.23%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1772      +/-   ##
===========================================
+ Coverage    71.72%   71.96%   +0.23%     
===========================================
  Files          295      297       +2     
  Lines        12679    12772      +93     
  Branches      6499     6545      +46     
===========================================
+ Hits          9094     9191      +97     
+ Misses        1874     1847      -27     
- Partials      1711     1734      +23     

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[godexsoft]

👍