refactor: move general info from Mod to Resource

This allows us to create other resources that are not Mods, but can
still share a significant portion of code.

Signed-off-by: flow <flowlnlnln@gmail.com>

launcher/ui/widgets/MCModInfoFrame.cpp

@@ -23,7 +23,7 @@
 
 void MCModInfoFrame::updateWithMod(Mod &m)
 {
-    if (m.type() == m.MOD_FOLDER)
+    if (m.type() == ResourceType::FOLDER)
     {
         clear();
         return;