* fix(cpp-pistache-server): meson/cmake build
* fix(cpp-pistache-server): Upgrade to C++17 and use std::optional
* feat(cpp-pistache-server): Disable running tests during build of nlohmann/json
* feat(samples): Update server/petstore/cpp-pistache
* overhaul pistache templates
* fix function signature in model-source
return type now aligns with definition in model-header
* use default keyword for destructors
* generate pistache samples
* move bin/configs/other/cpp-pistache-server-cpp-pistache.yaml to bin/configs/cpp-pistache-server-cpp-pistache.yaml
* Only generate validation body if necessary
* generate pistache samples
* Fixed#2643
Refactored to/from json functions to use universal object serialization method.
* Code review found incorrect indenting and I forgot to remove unused mustache files.
* Removed helpers class because it is not needed anymore.
* Removed helpers package from docs.
* Reverted helper class removal.
Support basic query handling
Add helpers for primitive de-serialization
Remove warnings due to unneeded commas
Deserialize basic types in queries
Add dependencies chain for external libraries
Fixes wrong parameter passed to API
* Added missing includes for optional
* Removed shared pointer from pistache generator
* Changed Net namespace to Pistache Namespace
* Clean up code and removed unnecessary lines in mustache files
* Removed remaining shared pointer syntax
* Code review fixes + updated samples
* Added const to all model setter functions, and reference to all params in setters that are not primitives
* Refactored modelbase
* Removed const
* Updated samples
