update citation to have permalink

Signed-off-by: vsoch <vsoch@users.noreply.github.com>

_includes/citation.html

@@ -3,4 +3,4 @@
 
 <strong>Suggested Citation:</strong>
 
-<blockquote>Sochat, Vanessa. "{{ page.title }}." @vsoch (blog), {{ page.date | date_to_string }}, {{ site.url }}{{ page.url }} (accessed {{ site.time | date: '%d %b %y' }}).</blockquote>
+<blockquote>Sochat, Vanessa. "{{ page.title }}." @vsoch (blog), {{ page.date | date_to_string }}, <a href="{{ site.url }}{{ page.url }}">{{ site.url }}{{ page.url }}</a> (accessed {{ site.time | date: '%d %b %y' }}).</blockquote>

_posts/2022/2022-04-05-jinja2-custom-loader.md

@@ -26,6 +26,7 @@ Let's say we have "fruits.html" for the above, and then a list of fruits in Pyth
 We might do:
 
 ```bash
+
 from jinja2 import Template
 
 fruits = ["apple", "orange", "banana"]
@@ -46,6 +47,8 @@ or rendered as html:
 
 <ul><li>apple</li><li>orange</li><li>banana</li></ul>
 
+<br>
+
 So now let's pretend you have a bit of a more complex template. Instead of hard coding the list
 into your file, you instead have a second template, list.html, that expects a listing of things.
 Here is list.html:
@@ -78,7 +81,9 @@ So the solution is to provide it that context. Let's say we have a directory cal
 same directory as the file that uses it. We would instead do:
 
 ```python
+
 from jinja2 import Environment, FileSystemLoader
+import os
 
 here = os.path.dirname(os.path.abspath(__file__))