réorg doc

docs/user/quickstart.md

@@ -22,7 +22,7 @@ pollster = { version = "1", features = ["macro"] }   # for #[pollster::main] (Ap
 
 ## 2. The minimal application
 
-This snippet is the [`simple`](../../lib/examples/simple.rs) example from the repo, almost
+This snippet is the [`simple`](../../lib/examples/meshes/simple.rs) example from the repo, almost
 verbatim: a flat two-tone quad, rendered automatically every frame.
 
 ```rust
@@ -107,7 +107,8 @@ Golden rule: **mutate the scene in `update()`** (and `setup()`), only read it in
 
 ## 4. Running it
 
-From the WSG repo root (the examples live in `lib/examples/`):
+From the WSG repo root (the examples live in `lib/examples/`, one folder per
+category: `meshes/`, `lights/`, `cameras/`, `effects/`):
 
 | Command | What you see |
 |----------|--------------|