add "A Gentle Introduction to WebAssembly in Rust (2025 Edition)"

Author: szabgab

draft/2025-01-22-this-week-in-rust.md

@@ -40,6 +40,7 @@ and just ask the editors to select the category.
 ### Observations/Thoughts
 
 ### Rust Walkthroughs
+* [A Gentle Introduction to WebAssembly in Rust (2025 Edition)](https://dev.to/marktolmacs/a-gentle-introduction-to-webassembly-in-rust-2025-edition-1iac)
 
 ### Research