move linux code into its subdirectory and move code that is shared between os implementations into root

These changes are to allow code sharing between linux and zephyr implementation.

• Moving linux code into a subdirectory
• move EddieEndpoint and EddieResource to root directory because both zephyr and linux code will share the same header files but with different implementations

see commit messages for more details

Signed-off-by: Francesco Pham francesco.pham@huawei.com

include/EddieEndpoint.h

@@ -9,7 +9,7 @@
 
 #include "CoapClient.h"
 #include "CoapServer.h"
-#include "Common.h"
+#include "EddieResource.h"
 
 #include <string>
 
@@ -17,14 +17,11 @@ class EddieEndpoint {
 private:
     CoapServer *server = nullptr;
 
-    Site *site = nullptr;
-
     std::string resource_directory_ip;
 
+    CoapClient* get_client();
 
-    CoapClient *get_client() {
-        return server->get_client();
-    }
+    CoapServer* get_server();
 
 public: