[c-host] restructure project to use cmake

c-host/platform/Linux/CMakeLists.txt

@@ -0,0 +1,22 @@
+cmake_minimum_required(VERSION 3.0)
+project(platform_Linux LANGUAGES C)
+
+include_directories(
+	${PROJECT_SOURCE_DIR}/include
+)
+
+add_library(platform_Linux STATIC
+	src/platform.c
+)
+
+add_subdirectory("capture")
+
+target_link_libraries(platform_Linux
+	capture
+	pthread
+)
+
+target_include_directories(platform_Linux
+	PRIVATE
+		src
+)