add static files to package

Author: neatc0der

setup.py

@@ -49,6 +49,12 @@ def get_requirements(filename: str, base_dir: str = 'requirements') -> List[str]
         'Programming Language :: Python :: 3.9',
     ],
     packages=find_packages(exclude=['*.tests']),
+    package_dir={
+        'mkdocs_markmap': 'mkdocs_markmap',
+    },
+    package_data={
+        'mkdocs_markmap': ['static_files/*'],
+    },
     entry_points={
         'mkdocs.plugins': [
             'markmap = mkdocs_markmap.plugin:MarkmapPlugin',