Add quote cite param

exampleSite/content/shortcodes/quote.md

@@ -27,6 +27,22 @@ Result:
 Hickory dickory dock.<br>The mouse ran up the clock.<br>The clock struck one,<br>The mouse ran down,<br>Hickory dickory dock.
 {{< /paige/quote >}}
 
+## Cite
+
+Code:
+
+```go-text-template
+{{</* paige/quote cite="Hickory Dickory Dock" */>}}
+Hickory dickory dock.<br>The mouse ran up the clock.<br>The clock struck one,<br>The mouse ran down,<br>Hickory dickory dock.
+{{</* /paige/quote */>}}
+```
+
+Result:
+
+{{< paige/quote cite="Hickory Dickory Dock" >}}
+Hickory dickory dock.<br>The mouse ran up the clock.<br>The clock struck one,<br>The mouse ran down,<br>Hickory dickory dock.
+{{< /paige/quote >}}
+
 ## Figure
 
 Code:

layouts/shortcodes/paige/quote.html

@@ -1,3 +1,4 @@
+{{ $cite := .Get 0 | default (.Get "cite") }}
 {{ $content := .Inner | replaceRE "^\n" "" | replaceRE "\n$" "" | markdownify }}
 
 {{ if not $content }}
@@ -6,4 +7,8 @@
 
 <div class="paige-quote">
     <blockquote class="blockquote">{{ $content }}</blockquote>
+
+    {{ with $cite }}
+        <div class="blockquote-footer">{{ . }}</div>
+    {{ end }}
 </div>