docs(readme): add related cryptography project links

NewYaroslav · web-flow · commit 03fc06741fd8 · 2025-09-05T08:03:51.000+03:00
diff --git a/README.md b/README.md
@@ -72,8 +72,8 @@ add_subdirectory(external/siphash-cpp)
 target_link_libraries(your_app PRIVATE siphash_cpp::siphash_cpp)
 ```
 
+## Related Projects
 
-
-
-
+- [hmac-cpp](https://github.com/NewYaroslav/hmac-cpp)
+- [aes-cpp](https://github.com/NewYaroslav/aes-cpp)
 
