sys: Get rid of SharedData struct and cleanup code structure (#411)

* sys: Initial refactoring of the SharedData class

* sys/pattern: More refactoring, make every provider have its own patterns

* sys: Finished up refactoring. No more SharedData!

* sys: Fixed compile on Unix

* tests: Fixed unit tests

* sys: Moved view and lang files

* pattern: Added assignment operator support to for loops

* tests: Fixed compile issue

main/source/window/linux_window.cpp

@@ -2,6 +2,9 @@
 
 #if defined(OS_LINUX)
 
+    #include <hex/api/content_registry.hpp>
+    #include <hex/api/event.hpp>
+
     #include <hex/helpers/utils.hpp>
     #include <hex/helpers/logger.hpp>