Ready-made assembly for quick login to linux

https://github.com/isopen/docker/tree/master/tgvoip
```
CMakeLists.txt:
...
include_directories(${PROJECT_SOURCE_DIR}/libs/include)
target_link_libraries(tgvoipcall ${PROJECT_SOURCE_DIR}/libs/libtgvoip.so)
...
```
An example by which you can start writing code: https://github.com/grishka/libtgvoip/blob/public/tests/libtgvoipTests.mm

