[nostalgia] Split part of Core out into Foundation, add module system

src/nostalgia/core/CMakeLists.txt

@@ -1,8 +1,7 @@
 add_library(
 	NostalgiaCore-Common OBJECT
 		gfx.cpp
-		media.cpp
-		typeconv.cpp
+		module.cpp
 		typestore.cpp
 )
 
@@ -10,7 +9,6 @@ add_library(
 	NostalgiaCore-Headless
 		headless/core.cpp
 		headless/gfx.cpp
-		headless/media.cpp
 )
 
 add_library(NostalgiaCore)
@@ -23,7 +21,6 @@ if(NOT NOSTALGIA_BUILD_TYPE STREQUAL "GBA")
 			glfw/gfx.cpp
 			userland/gfx.cpp
 			userland/gfx_opengl.cpp
-			userland/media.cpp
 	)
 	target_link_libraries(
 		NostalgiaCore PUBLIC
@@ -44,7 +41,6 @@ else()
 			gba/gfx.cpp
 			gba/irq.arm.cpp
 			gba/irq.s
-			gba/media.cpp
 			gba/panic.cpp
 	)
 	target_link_libraries(
@@ -59,8 +55,7 @@ endif()
 
 target_link_libraries(
 	NostalgiaCore-Common PUBLIC
-		OxClaw
-		OxFS
+		NostalgiaFoundation
 )
 
 target_link_libraries(
@@ -79,7 +74,6 @@ endif()
 
 install(
 	FILES
-		assetmanager.hpp
 		clipboard.hpp
 		color.hpp
 		config.hpp
@@ -89,7 +83,6 @@ install(
 		event.hpp
 		gfx.hpp
 		input.hpp
-		media.hpp
 		typeconv.hpp
 		typestore.hpp
 	DESTINATION