* Stub code for http server
* can send a response, cannot process body yet
* write headers to the response
* remove commented code
* add simple test + set default http handler
* tweak CI + unittest
* add missing file
* rewrite http::trim in a simple way
* doc
* init Net system on Windows
* propagate DNS error
* Add zlib 1.2.11 sources
* link zlib statically for windows
* remove not implemented function declaration
* fix connect on Windows