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

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

tests/page_check_run_tab/conftest.py

@@ -9,7 +9,7 @@ import pytest
 from page_check_common import FAKE_BRIDGE, MODES, open_page
 
 ROOT = Path(__file__).resolve().parents[2]
-TEMPLATE = ROOT / "rpa-run-tab" / "templates" / "run_tab.html"
+TEMPLATE = ROOT / "skills" / "rpa-run-tab" / "templates" / "run_tab.html"
 CFG = {"title": "Test Bot", "sub": "Page check", "input": True, "inputHint": "Test workbook",
        "sample": True, "darkKey": "test_dark",
        "checkpoints": [{"name": "Sign in", "max": 300}, {"name": "Process rows", "max": 0},