chore: remove unneeded spaces

Author: kenjis

.github/workflows/docs.yml

@@ -1,4 +1,4 @@
-name: docs 
+name: docs
 on:
   push:
     branches:
@@ -13,5 +13,5 @@ jobs:
       - uses: actions/setup-python@v4
         with:
           python-version: 3.x
-      - run: pip install mkdocs-material 
+      - run: pip install mkdocs-material
       - run: mkdocs gh-deploy --force