Refactor Documentation into a docs folder (#7202)

README.md

@@ -36,7 +36,7 @@ The following binaries:
 - `cts_runner` - WebGPU Conformance Test Suite runner using `deno_webgpu`.
 - `player` - standalone application for replaying the API traces.
 
-For an overview of all the components in the gfx-rs ecosystem, see [the big picture](./etc/big-picture.png).
+For an overview of all the components in the gfx-rs ecosystem, see [the big picture](./docs/big-picture.png).
 
 ## Getting Started
 
@@ -86,7 +86,7 @@ For high-level documentation on how to use these extensions, see the individual
 
 🧪EXPERIMENTAL🧪 APIs are subject to change and may allow undefined behavior if used incorrectly.
 
-- 🧪EXPERIMENTAL🧪 [Ray Tracing](./etc/specs/ray_tracing.md).
+- 🧪EXPERIMENTAL🧪 [Ray Tracing](./docs/api-specs/ray_tracing.md).
 
 ## Supported Platforms
 
@@ -263,4 +263,4 @@ wgpu uses the coordinate systems of D3D and Metal:
 
 | Render                                              | Texture                                               |
 | --------------------------------------------------- | ----------------------------------------------------- |
-| ![render_coordinates](./etc/render_coordinates.png) | ![texture_coordinates](./etc/texture_coordinates.png) |
+| ![render_coordinates](./docs/render_coordinates.png) | ![texture_coordinates](./docs/texture_coordinates.png) |

typos.toml

@@ -5,7 +5,7 @@ extend-exclude = [
     '/.git',
     # spirv-asm isn't real source code
     '*.spvasm',
-    'etc/big-picture.xml',
+    'docs/big-picture.xml',
 ]
 
 # Corrections take the form of a key/value pair. The key is the incorrect word