stamp: add base runtime diagram

Author: kallebysantos

README.md

@@ -36,7 +36,7 @@ The edge runtime can be divided into two runtimes with different purposes.
 - User runtime:
   - An instance for the _user runtime_ is responsible for executing users' code.
   - Limits are required to be set such as: Memory and Timeouts.
-  - Has access to environment variables explictly allowed by the main runtime.
+  - Has access to environment variables explicitly allowed by the main runtime.
 
 ### Edge Runtime in Deep
 

crates/base/README.md

@@ -0,0 +1,14 @@
+# Supabase EdgeRuntime base
+
+This crate is part of the Supabase Edge Runtime stack and implements the runtime
+core features.
+
+## Architecture
+
+<p align="center">
+  <picture>
+    <source media="(prefers-color-scheme: dark)" srcset="/assets/edge-runtime-diagram-dark.svg">
+    <source media="(prefers-color-scheme: light)" srcset="/assets/edge-runtime-diagram.svg">
+    <img alt="Sequence diagram of Edge Runtime request flow" src="/assets/edge-runtime-diagram.svg" style="max-width: 100%;">
+  </picture>
+</p>