updates

- implemented frontend
- namespaced Core
- imported qdevicewatcher
- fixed bug in logging (more like in misc)

externals/qdevicewatcher/CMakeLists.txt

@@ -0,0 +1,26 @@
+set(CMAKE_AUTOMOC ON)
+
+add_definitions(-DUNICODE -D_UNICODE)
+
+add_library(qdevicewatcher STATIC
+  qdevicewatcher/src/qdevicewatcher_p.h
+  qdevicewatcher/src/qdevicewatcher.cpp
+  qdevicewatcher/src/qdevicewatcher.h
+)
+
+target_link_libraries(qdevicewatcher PRIVATE Qt5::Core)
+target_include_directories(qdevicewatcher INTERFACE qdevicewatcher/src)
+
+if (WIN32)
+    target_sources(qdevicewatcher PRIVATE
+      qdevicewatcher/src/qdevicewatcher_win32.cpp
+    )
+elseif(APPLE)
+    target_sources(qdevicewatcher PRIVATE
+      qdevicewatcher/src/qdevicewatcher_mac.cpp
+    )
+elseif(UNIX)
+    target_sources(qdevicewatcher PRIVATE
+      qdevicewatcher/src/qdevicewatcher_linux.cpp
+    )
+endif()