Added Rust Walkthrough: Using Diesel with custom array data types in Postgres.

Signed-off-by: Marvin Hansen <[email protected]>

Author: marvin-hansen

draft/2024-08-21-this-week-in-rust.md

@@ -41,6 +41,8 @@ and just ask the editors to select the category.
 
 ### Rust Walkthroughs
 
+[Using Diesel with custom array data types in Postgres.](https://github.com/marvin-hansen/bazel-diesel-postgres)
+
 ### Research
 
 ### Miscellaneous