Add untracked files

landing.bryanroessler.com/Appraisals

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+appraise "jekyll-3" do
+  gem "jekyll", "3.9.4"
+end
+appraise "jekyll-4" do
+  gem "jekyll", "4.3.3"
+end

landing.bryanroessler.com/_includes/mathjax.html

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+{% if page.mathjax %}
+<script type="text/javascript">
+  MathJax = {
+    options: {
+      skipHtmlTags: [
+        'script', 'noscript', 'style', 'textarea', 'pre', 'code'
+      ]
+    }
+  };
+</script>
+<script type="text/javascript" async src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>
+{% endif %}

landing.bryanroessler.com/_posts/2020-02-28-sample-markdown.md

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+---
+layout: post
+title: Sample blog post to learn markdown tips
+subtitle: There's lots to learn!
+gh-repo: daattali/beautiful-jekyll
+gh-badge: [star, fork, follow]
+tags: [test]
+comments: true
+mathjax: true
+author: Bill Smith
+---
+
+{: .box-success}
+This is a demo post to show you how to write blog posts with markdown.  I strongly encourage you to [take 5 minutes to learn how to write in markdown](https://markdowntutorial.com/) - it'll teach you how to transform regular text into bold/italics/tables/etc.<br/>I also encourage you to look at the [code that created this post](https://raw.githubusercontent.com/daattali/beautiful-jekyll/master/_posts/2020-02-28-sample-markdown.md) to learn some more advanced tips about using markdown in Beautiful Jekyll.
+
+**Here is some bold text**
+
+## Here is a secondary heading
+
+[This is a link to a different site](https://deanattali.com/) and [this is a link to a section inside this page](#local-urls).
+
+Here's a table:
+
+| Number | Next number | Previous number |
+| :------ |:--- | :--- |
+| Five | Six | Four |
+| Ten | Eleven | Nine |
+| Seven | Eight | Six |
+| Two | Three | One |
+
+You can use [MathJax](https://www.mathjax.org/) to write LaTeX expressions. For example:
+When \\(a \ne 0\\), there are two solutions to \\(ax^2 + bx + c = 0\\) and they are $$x = {-b \pm \sqrt{b^2-4ac} \over 2a}.$$
+
+How about a yummy crepe?
+
+![Crepe](https://beautifuljekyll.com/assets/img/crepe.jpg)
+
+It can also be centered!
+
+![Crepe](https://beautifuljekyll.com/assets/img/crepe.jpg){: .mx-auto.d-block :}
+
+Here's a code chunk:
+
+~~~
+var foo = function(x) {
+  return(x + 5);
+}
+foo(3)
+~~~
+
+And here is the same code with syntax highlighting:
+
+```javascript
+var foo = function(x) {
+  return(x + 5);
+}
+foo(3)
+```
+
+And here is the same code yet again but with line numbers:
+
+{% highlight javascript linenos %}
+var foo = function(x) {
+  return(x + 5);
+}
+foo(3)
+{% endhighlight %}
+
+## Boxes
+You can add notification, warning and error boxes like this:
+
+### Notification
+
+{: .box-note}
+**Note:** This is a notification box.
+
+### Warning
+
+{: .box-warning}
+**Warning:** This is a warning box.
+
+### Error
+
+{: .box-error}
+**Error:** This is an error box.
+
+## Local URLs in project sites {#local-urls}
+
+When hosting a *project site* on GitHub Pages (for example, `https://USERNAME.github.io/MyProject`), URLs that begin with `/` and refer to local files may not work correctly due to how the root URL (`/`) is interpreted by GitHub Pages. You can read more about it [in the FAQ](https://beautifuljekyll.com/faq/#links-in-project-page). To demonstrate the issue, the following local image will be broken **if your site is a project site:**
+
+![Crepe](/assets/img/crepe.jpg)
+
+If the above image is broken, then you'll need to follow the instructions [in the FAQ](https://beautifuljekyll.com/faq/#links-in-project-page). Here is proof that it can be fixed:
+
+![Crepe]({{ '/assets/img/crepe.jpg' | relative_url }})

landing.bryanroessler.com/assets/data/searchcorpus.json

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+---
+layout: null
+---
+[ 
+{% for post in site.posts %} 
+{ 
+"title"    : "{% if post.title != "" %}{{ post.title | strip_html | escape }}{% else %}{{ post.excerpt | strip_html | escape | strip }}{%endif%}", 
+"desc"     : "{% if post.title != "" %}{{ post.title | strip_html | escape }}{% else %}{{ post.excerpt | strip_html | escape | strip }}{%endif%}", 
+"category" : "{{ post.tags | join: ', ' }}", 
+"url"      : "{{ site.baseurl }}{{ post.url | escape }}", 
+"date"     : "{{ post.date | date: "%B %e, %Y" | default: "January 1, 1970" }}" 
+}, 
+{% endfor %} 
+{% for page in site.html_pages %}{% if page.title != "{title}" and page.title != "404 - Page not found" %} 
+{ 
+"title"    : "{% if page.title != "" %}{{ page.title | strip_html | escape }}{% else %}{{ page.excerpt | strip_html | escape | strip }}{% endif %}", 
+"desc"     : "{% if page.title != "" %}{{ page.title | strip_html | escape }}{% else %}{{ page.excerpt | strip_html | escape | strip }}{% endif %}", 
+"category" : "{% if page.tags %}{{ page.tags | join: ', ' }}{% else %}page{% endif %}", 
+"url"      : "{{ site.baseurl }}{{ page.url }}", 
+"date"     : "{{ page.date | date: '%B %e, %Y' | default: "January 1, 1970" }}" 
+}{% unless forloop.last %},{% endunless %} 
+{% endif %}{% endfor %} 
+]