added alt text to almost all images

src/routes/projects/+page.svelte

@@ -24,6 +24,7 @@
 <BannerTitleAlt
     title="My Disordered Projects"
     banner="/projects/banner.webp"
+    bannerAlt="Closeup of the purple protagonist from Project N5"
     subtitle="Things I have worked on"
 />
 
@@ -68,7 +69,7 @@
         {/if}
         {#if project.banner}
         <div class="project-banner-container">
-            <img class="project-banner" src="{project.banner}">
+            <img class="project-banner" src="{project.banner}" alt="Overview banner for {project.title}">
             {#if project.date}
             <p class="project-date project-date-embed">{project.date}</p>
             {/if}
@@ -79,7 +80,7 @@
         {/if}
         {/if}
         {#if project.icon}
-        <img class="project-icon" src="{project.icon}">
+        <img class="project-icon" src="{project.icon}" alt="Icon for {project.title}">
         {/if}
         {#each project.paragraphs as paragraph}
             <p>{@html paragraph}</p>