add why.md; update

mkdocs/scripts/update.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+set -e
+
+repos=("oxpasta" "r53-ddns")
+user="rskntroot"
+dest_dir="docs/code"
+
+mkdir -p "$dest_dir"
+
+for repo in "${repos[@]}"; do
+  url="https://raw.githubusercontent.com/$user/$repo/main/README.md"
+  dest_file="$dest_dir/$repo.md"
+
+  echo "Fetching $url -> $dest_file"
+  curl -sSfL "$url" -o "$dest_file"
+done