Add "View raw" button to page to view raw markdown code of page

This makes it so, for example, `/blog/swapfile-guide` has markdown file
at `/blog/swapfile-guide.md` instead of `/blog/swapfile-guide/index.md`.

exampleSite/hugo.yaml

@@ -18,6 +18,9 @@ markup: # this just keeps the bobatheme markup styling
 outputs:
   _merge: deep
 
+outputFormats:
+  _merge: deep
+
 params:
   author:
     name: bbaovanc

hugo.yaml

@@ -17,6 +17,10 @@ outputs:
     - html
     - markdown
 
+outputFormats:
+  markdown:
+    ugly: true
+
 privacy:
   googleAnalytics:
     disable: true

i18n/en.yaml

@@ -30,6 +30,9 @@ readingtime:
 edit_history:
   other: "Edit history"
 
+view_markdown:
+  other: "View raw"
+
 
 # Post count
 no_posts:
@@ -67,6 +70,9 @@ aria_rss_link:
 aria_post_meta_edit_history:
   other: "link to page edit history"
 
+aria_post_meta_view_markdown:
+  other: "link to view raw markdown code of page"
+
 aria_post_meta_categories:
   other: "categories"
 

layouts/partials/page-metadata/item/viewraw.html

@@ -0,0 +1,8 @@
+{{ with .OutputFormats.Get "markdown" }}
+    <span class="page-metadata-item post-meta-view-markdown" aria-label="{{ i18n "aria_post_meta_view_markdown" }}">
+        {{ partial "icon.html" "code" }}
+        <a href="{{ .Permalink }}" target="_blank">
+            {{- i18n "view_markdown" -}}
+        </a>
+    </span>
+{{ end }}

layouts/partials/page-metadata/post-full.html

@@ -20,7 +20,10 @@
         {{ partial "page-metadata/item/authors.html" . }}
         {{ partial "page-metadata/item/readingtime.html" . }}
         {{ partial "page-metadata/item/edithistory.html" . }}
+        {{ partial "page-metadata/item/viewraw.html" . }}
+
         {{ partial "page-metadata/item/categories.html" . }}
+
         {{ partial "page-metadata/item/tags.html" . }}
     </div>
 {{ end }}