rename ss-tools to superset-tools across the entire project

- Replace all occurrences of 'ss-tools' with 'superset-tools' in 104 files
- Rename git bundle file ss-tools.bundle → superset-tools.bundle
- Update .gitignore pattern accordingly
- Preserve variable names (hasSsTools etc.) and code identifiers

backend/pyproject.toml

@@ -3,7 +3,7 @@ requires = ["setuptools>=69", "wheel"]
 build-backend = "setuptools.build_meta"
 
 [project]
-name = "ss-tools-backend"
+name = "superset-tools-backend"
 version = "0.0.0"
 requires-python = ">=3.13"