Design / speed tweaks

* Test updating CTA, using insiders version of mkdocs-material

* Dark mode, baby!

Signed-off-by: David Young <davidy@funkypenguin.co.nz>

* What will netlify do if I remove requirements.txt?

Signed-off-by: David Young <davidy@funkypenguin.co.nz>

* What will netlify do if I remove requirements.txt?

Signed-off-by: David Young <davidy@funkypenguin.co.nz>

* Only build the insiders version

Signed-off-by: David Young <davidy@funkypenguin.co.nz>

* Remove some broken links

Signed-off-by: David Young <davidy@funkypenguin.co.nz>

* Fix dead link

Signed-off-by: David Young <davidy@funkypenguin.co.nz>

* Remove twitter embed

Signed-off-by: David Young <davidy@funkypenguin.co.nz>

* Fix dead links

Signed-off-by: David Young <davidy@funkypenguin.co.nz>

* Mooar dead links

Signed-off-by: David Young <davidy@funkypenguin.co.nz>

* Final dead link

Signed-off-by: David Young <davidy@funkypenguin.co.nz>

manuscript/recipes/miniflux.md

@@ -6,9 +6,6 @@ Miniflux is a lightweight RSS reader, developed by [Frédéric Guillot](https://
 
 ![Miniflux Screenshot](../images/miniflux.png)
 
-!!! tip "Sponsored Project"
-    Miniflux is one of my [sponsored projects](/sponsored-projects/) - a project I financially support on a regular basis because of its utility to me. Although I get to process my RSS feeds less frequently than I'd like to!
-
 I've [reviewed Miniflux in detail on my blog](https://www.funkypenguin.co.nz/review/miniflux-lightweight-self-hosted-rss-reader/), but features (among many) that I appreciate:
 
 * Compatible with the Fever API, read your feeds through existing mobile and desktop clients (_This is the killer feature for me. I hardly ever read RSS on my desktop, I typically read on my iPhone or iPad, using [Fiery Feeds](http://cocoacake.net/apps/fiery/) or my new squeeze, [Unread](https://www.goldenhillsoftware.com/unread/)_)