Move all three skills into skills/; add root README; fix paths

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

tests/test_bot_runner.py

@@ -7,7 +7,7 @@ from pathlib import Path
 
 import pytest
 
-RUNNER = Path(__file__).resolve().parents[1] / "rpa-dashboard-no-ai" / "templates" / "bot_runner.py"
+RUNNER = Path(__file__).resolve().parents[1] / "skills" / "rpa-dashboard-no-ai" / "templates" / "bot_runner.py"
 
 
 @pytest.fixture