suggestions

Signed-off-by: Narfinger <[email protected]>

Author: Narfinger

src/SUMMARY.md

@@ -31,7 +31,7 @@
 
 # Servo’s architecture
 
-- [Crates under Servo\*](architecture/crates.md)
+- [Repositories under Servo Umbrella](architecture/repos.md)
 - [Architecture overview\*](architecture/overview.md)
   - [Concurrency and parallelism\*](architecture/concurrency-and-parallelism.md)
   - [Further reading\*](architecture/further-reading.md)

src/architecture/crates.md

@@ -0,0 +1,29 @@
+# Architecture overview
+
+The Servo project maintains a number of repositories that are either independent from Servo or forked from some upstream project with ongoing updates.
+
+## Repositories that are used throughout the rust ecosystem
+
+- [ipc-channel](https://github.com/servo/ipc-channel): Crate for the rust ecosystem of making IPC work.
+- [string-cache](https://github.com/servo/string-cache): String interning library.
+- [surfman](https://github.com/servo/surfman): Low-Level cross platform Rust library for managing graphic surfaces.
+
+## Repositories that are forked from upstream projects
+
+- [euclid](https://github.com/servo/euclid): Geometric types.
+- [mozjs](https://github.com/servo/mozjs): Spidermonkey, servos JavaScriptEngine based on Spidermonkey with a small patchset.
+- [rust-url](https://github.com/servo/rust-url): Url type.
+- [rust-content-security-policy](https://github.com/servo/rust-content-security-policy): Parse and validate Content Security Policy.
+- [stylo](https://github.com/servo/stylo): Servos CSS engine based on Firefox CSS engine.
+- [unicode-bidi](https://github.com/servo/unicode-bidi): Unicode Bidirectional Algorithm implementation.
+- [webrender](https://github.com/servo/webrender): A fork of Firefox's webrender with a small patchset.
+
+## Repositories that are mainly used by servo
+
+- [book](https://github.com/servo/book): This book!
+- [ci-runners](https://github.com/servo/ci-runners): Various things for servo CI (Continuous Integration).
+- [html5ever](https://github.com/servo/html5ever): HTML5 high-performance parser.
+- [malloc_size_of](https://github.com/servo/malloc_size_of): Measure the runtime size of values.
+- [media](https://github.com/servo/media): media backends and similar that servo uses.
+- [servo](https://github.com/servo/servo)servo: The main browser.
+- [wpt](https://github.com/servo/wpt): Servo's fork the the Web Platform Tests.