Add 'verify' and 'tdd' skills for senior engineer

Author: codeaholicguy

templates/fullstack-engineer.yaml templates/senior-engineer.yamltemplates/fullstack-engineer.yaml renamed to templates/senior-engineer.yaml

@@ -21,6 +21,10 @@ skills:
     skill: simplify-implementation
   - registry: codeaholicguy/ai-devkit
     skill: technical-writer
+  - registry: codeaholicguy/ai-devkit
+    skill: verify
+  - registry: codeaholicguy/ai-devkit
+    skill: tdd
   - registry: anthropics/skills
     skill: frontend-design
   - registry: anthropics/skills