chore: fix gh-pages deploy action (#540)

Author: jgravois

.github/workflows/mkdocs.yml

@@ -3,6 +3,10 @@ on:
   push:
     branches:
       - main
+    paths:
+      - "docs/**"
+      - "mkdocs.yml"
+      - ".github/workflows/mkdocs.yml"
   pull_request:
     branches:
       - main
@@ -85,12 +89,12 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v6
 
-      - uses: actions/setup-python@v6
+      - name: Setup python
+        uses: actions/setup-python@v6
         with:
           python-version-file: .github/workflows/.python-version
           cache: pip
-          cache-dependency-path: |
-            "docs/requirements.txt"
+          cache-dependency-path: "docs/requirements.txt"
 
       - name: Install MkDocs requirements
         run: |

docs/index.md

@@ -1,5 +1,5 @@
-# Digital Service Design Language
+# Cal-ITP websites
 
-Cal-ITP's Digital Service Design Language (DSDL) is a (work in progress) attempt to unify design elements across various products.
+Cal-ITP's Digital Service Design Language (DSDL) attempts to unify design elements across our various websites.
 
-You'll be able to learn more about it here very soon.
+We'll share more information about DSDL and other Cal-ITP website initiatives here very soon.