SDL3/SDL_CreateWindowWithProperties: Link to docs file on github repo

Live page is here: https://wiki.libsdl.org/SDL3/SDL_CreateWindowWithProperties

SDL3/SDL_CreateWindowWithProperties.md

@@ -113,14 +113,14 @@ These are additional supported properties on Wayland:
 - [`SDL_PROP_WINDOW_CREATE_WAYLAND_SURFACE_ROLE_CUSTOM_BOOLEAN`](SDL_PROP_WINDOW_CREATE_WAYLAND_SURFACE_ROLE_CUSTOM_BOOLEAN)
   - true if the application wants to use the Wayland surface for a custom
   role and does not want it attached to an XDG toplevel window. See
-  docs/README-wayland.md for more information on using custom surfaces.
+  [docs/README-wayland.md](https://github.com/libsdl-org/SDL/blob/main/docs/README-wayland.md) for more information on using custom surfaces.
 - [`SDL_PROP_WINDOW_CREATE_WAYLAND_CREATE_EGL_WINDOW_BOOLEAN`](SDL_PROP_WINDOW_CREATE_WAYLAND_CREATE_EGL_WINDOW_BOOLEAN)
   - true if the application wants an associated `wl_egl_window` object to
   be created, even if the window does not have the OpenGL property or flag
   set.
 - [`SDL_PROP_WINDOW_CREATE_WAYLAND_WL_SURFACE_POINTER`](SDL_PROP_WINDOW_CREATE_WAYLAND_WL_SURFACE_POINTER)
   - the wl_surface associated with the window, if you want to wrap an
-  existing window. See docs/README-wayland.md for more information.
+  existing window. See [docs/README-wayland.md](https://github.com/libsdl-org/SDL/blob/main/docs/README-wayland.md) for more information.
 
 These are additional supported properties on Windows: