feat: Added the ability to define alt-text

CHANGESFROMUPSTREAM.adoc

@@ -0,0 +1,3 @@
+= Changes compared to upstream gangjun06/SimpleIntro
+
+* Projects have a new `imageAlt` field that defines the alt-text for the image.

exampleSite/data/home/project.toml

@@ -1,6 +1,7 @@
 [[list]]
     title = "lorem"
     image = "https://picsum.photos/400/200"
+    imageAlt = "A random image selected from picsum"
     text = """
         Lorem ipsum dolor sit amet, consectetur adipisicing elit.
         Voluptatibus quia, nulla! Maiores et perferendis eaque,
@@ -9,6 +10,7 @@
 [[list]]
     title = "lorem"
     image = "https://picsum.photos/400/200"
+    imageAlt = "A random image selected from picsum"
     text = """
         Lorem ipsum dolor sit amet, consectetur adipisicing elit.
         Voluptatibus quia, nulla! Maiores et perferendis eaque,

layouts/partials/home.html

@@ -100,7 +100,7 @@
             <img
             class="w-full h-48"
             src="{{ .image }}"
-            alt="Sunset in the mountains"
+            alt="{{ .imageAlt }}"
             />            
           </a>         
           <div class="px-6 py-4">