.h -> .hpp for clearer ABI (non)compatibility

include/WindowRule.hpp

@@ -0,0 +1,20 @@
+#ifndef WINDOW_RULE_H
+#define WINDOW_RULE_H
+
+#include <string>
+
+class WindowRule {
+    public:
+        //true -> tiling mode
+        //false -> floating mode
+        bool tile;
+        
+        //Which workspace to apply to
+        int workspaceID;
+
+        std::string toString();
+
+        static WindowRule parse(std::string);
+};
+
+#endif