fix: libname_dotsuffix gha default values

Author: abernier

.github/workflows/build.yml

@@ -14,8 +14,10 @@ on:
         type: string
       libname_dotsuffix_label:
         type: string
+        default: 'docs'
       libname_dotsuffix_href:
         type: string
+        default: 'https://pmnd.rs'
       home_redirect:
         required: true
         type: string

docs/getting-started/github-actions.mdx

@@ -16,6 +16,8 @@ uses: pmndrs/docs/.github/workflows/build.yml@v2
     mdx: 'docs'
     libname: 'React Three Fiber'
     libname_short: 'r3f'
+    libname_dotsuffix_label: "docs"
+    libname_dotsuffix_href: "https://docs.pmnd.rs"
     home_redirect: '/getting-started/introduction'
     icon: '🇨🇭'
     logo: '/logo.png'