converted all devlog pages to markdown

src/routes/projects/projectn5/devlog/20250816.md

@@ -2,6 +2,7 @@
 title: Freeing the Past
 date: '2025-08-16'
 tag: '20250816'
+bannerAlt: Bottom-up view at Laura v1 in front of a blue sky
 ---
 <script lang="ts">
     import LinkList, { type LinkEntry } from "$lib/link-list.svelte";