Refactor CLI and update CI workflow

Updated the CI workflow to use 'ruff format' instead of 'black' for format checks. Enhanced docstrings across CLI commands and exception classes for better clarity and documentation. Adjusted pyproject.toml to remove 'black' from dev dependencies and added new files to sdist include list.

.github/workflows/ci.yml

@@ -33,9 +33,9 @@ jobs:
         run: |
           ruff check src tests
 
-      - name: Format check with black
+      - name: Format check with ruff
         run: |
-          black --check src tests
+          ruff format --check src tests
 
       - name: Run tests
         run: |