Fix bad readme spacing and update .gitignore

Author: JakeWags

.gitignore

@@ -83,4 +83,7 @@ static
 /public/assets/members.json
 
 # OS generated files
-.DS_Store
+.DS_Store
+
+# remove cache files
+.vitepress/*cache*

README.md

@@ -128,7 +128,7 @@ To add a publication to the MedVIC Lab website, follow these steps:
      image:
        src: "example.png"
        alt: "Example Alt Text"
-      tags: ['Tag1', 'Tag2']
+     tags: ['Tag1', 'Tag2']
      ---
      ```