Started canvas component work, and moving to unique network pointers (build is broken)

src/CanvasComponents/CanvasComponent.hpp

@@ -0,0 +1,20 @@
+#pragma once
+#include <cstdint>
+#include <cereal/archives/portable_binary.hpp>
+#include <Helpers/VersionNumber.hpp>
+
+class CanvasComponent {
+    public:
+        enum class CompType : uint8_t {
+            BRUSHSTROKE = 0,
+            RECTANGLE,
+            ELLIPSE,
+            TEXTBOX,
+            IMAGE
+        };
+    protected:
+        virtual void write_update() const;
+        virtual void read_update();
+        virtual void save_file(cereal::PortableBinaryOutputArchive& a) const;
+        virtual void load_file(cereal::PortableBinaryInputArchive& a, VersionNumber version);
+};