Feature/ws cli (#15)

* New command line tool for transfering files / still very beta.

* add readme

* use cli11 for argument parsing

* json -> msgpack

* stop using base64 and use binary which can be stored in message pack

test/CMakeLists.txt

@@ -18,13 +18,14 @@ add_subdirectory(${PROJECT_SOURCE_DIR}/.. ixwebsocket)
 
 include_directories(
   ${PROJECT_SOURCE_DIR}/Catch2/single_include
+  ../third_party/msgpack11
 )
 
 # Shared sources
 set (SOURCES 
   test_runner.cpp
   IXTest.cpp
-  msgpack11.cpp
+  ../third_party/msgpack11/msgpack11.cpp
 
   IXDNSLookupTest.cpp
   IXSocketTest.cpp