moved check files to own directory

Signed-off-by: Anton Utz <[email protected]>

src/ros_license_toolkit/license_file_referenced_check.py → src/ros_license_toolkit/license_checks/license_file_referenced_check.py

@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""Check for all License files are referenced by a tag in package.xml"""
+"""This Module contains LicenseFilesReferencedCheck, which implements Check"""
 
 import os
 from typing import Dict, List

src/ros_license_toolkit/license_in_code_check.py → src/ros_license_toolkit/license_checks/license_in_code_check.py

@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""Checks if all Licenses found in files have a declaration in package.xml"""
+"""This Module contains LicensesInCodeCheck, which implements Check"""
 
 from pprint import pformat
 from typing import Dict, List

src/ros_license_toolkit/license_text_exists_check.py → src/ros_license_toolkit/license_checks/license_text_exists_check.py

@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""Checks if every tag has the referenced License text file."""
+"""This Module contains LicenseTextExistsCheck, which implements Check."""
 
 import os
 from typing import Any, Dict, Optional