Add CLA signature: rob-mosher (#312)

contributors/rob-mosher.md

@@ -0,0 +1,11 @@
+2025-05-31
+
+I hereby agree to the terms of the Contributors License
+
+I furthermore declare that I am authorized and able to make this
+agreement and sign this declaration.
+
+Signed,
+
+Rob Mosher
+https://github.com/rob-mosher