[docs] debug log/gfx debug info (#2871)

Signed-off-by: crueter <[email protected]>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/2871
Reviewed-by: Caio Oliveira <[email protected]>
Reviewed-by: MaranBr <[email protected]>

docs/user/README.md

@@ -0,0 +1,12 @@
+# User Handbook
+
+The "FAQ".
+
+This handbook is primarily aimed at the end-user - baking useful knowledge for enhancing their emulation experience.
+
+- **[The Basics](user/Basics.md)**
+- **[Audio](user/Audio.md)**
+- **[Graphics](user/Graphics.md)**
+- **[Platforms and Architectures](user/Architectures.md)**
+- **[Testing](user/Testing.md)**
+- **[Data, savefiles and storage](user/Storage.md)**