added custom keyboard work.

resume.tex

@@ -172,6 +172,14 @@
             Have contributed patches of a variety of sizes to open source projects including Python and Kata Containers.
         }
 
+    \experience
+        {Custom keyboards}
+        {Building and soldering custom keyboards}
+        {2023--present}
+        {
+            Have built 2 custom split keyboards with a focus on ergonomics and portability.
+        }
+
     \experience
         {National Cyber League}
         {Four-time competitor in the National Cyber League.}