WIP: Add redirects in Netlify _redirects style using old guide

Uses this guide: https://honnef.co/articles/generating-netlify-_redirects-from-hugo/

I didn't realize until after doing all this that there's a guide for the
same thing in the official Hugo docs, so I'm about to migrate over to
that.

hugo.yaml

@@ -21,6 +21,23 @@ taxonomies:
 outputs:
   page:
     - html
+  home:
+    - html
+    - rss
+    - REDIR
+
+outputFormats:
+  # https://honnef.co/articles/generating-netlify-_redirects-from-hugo/
+  REDIR:
+    mediaType: text/caddy
+    baseName: _redirects
+    isPlainText: true
+    notAlternative: true
+
+mediaTypes:
+  # https://honnef.co/articles/generating-netlify-_redirects-from-hugo/
+  text/caddy:
+    delimeter: ""
 
 privacy:
   googleAnalytics:

layouts/home.REDIR

@@ -0,0 +1,7 @@
+{{ range hugo.Sites -}}
+{{ range $p := .Pages -}}
+{{ range .Aliases -}}
+{{ . }} {{ $p.RelPermalink }}
+{{ end -}}
+{{ end -}}
+{{ end -}}