Add templating to all blog posts

content/blog/2019-06-08-How-I-Play-Games.md

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 <!-- title: How I Play Games on My Linux PC -->
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+<!-- render: yes -->
 I love Linux. In fact, I love it so much that it runs on every computer I use, except for my phone but that
 can be changed. It always amazes me how much control Linux gives me about my computer and how easy it is
 to create a script that just does everything that I was doing manually before.

content/blog/2019-07-01-Mainline-Hero.md

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 <!-- params: mathjax.json -->
 <!-- title: Mainline Hero Part 0 - Modern Linux For My Galaxy S7 -->
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 Ever heard of [PostmarketOS](https://postmarketos.org/)? If not, then here's a short summary:
 PostmarketOS aims to bring *"[a] real Linux distribution for phones and other mobile devices [...]"* to,
 well, phones and other mobile devices.

content/blog/2019-08-21-Mainline-Hero-1.md

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 <!-- title: Mainline Hero Part 1 - First Attempts At Porting -->
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 In the first post of the series, I showed what information I gathered and what tricks can be used
 to debug our mainline port of the *herolte* kernel. While I learned a lot just by preparing for
 the actual porting, I was not able to actually get as close as to booting the kernel. I would have

content/blog/2019-10-06-Road-to-Foss.md

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 <!-- title: Road2FOSS - My Journey to Privacy by Self-Hosting -->
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 About one year ago, I made plans to ditch many of the proprietary services that I used
 on a daily basis and replace them with FOSS alternatives. Now it is a year later and
 while my project is not done, I really did quite a lot.

content/blog/2020-01-03-Selfhosting-Lessons.md

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 <!-- title: Lessons Learned From Self-Hosting -->
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 Roughly eight months ago, according to my hosting provider, I spun up my VM which
 I use to this day to self-host my chat, my mail, my git and so on. At the beginning, I thought that
 it would allow me both to get away from proprietary software and to learn Linux administration. While

content/blog/2020-02-13-Running-Prosody-traefik.md

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 <!-- title: Running Prosody on Port 443 Behind traefik -->
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 *TL;DR: This post is about running prosody with HTTPS services both on port 443. If you only care about the how, then jump to*
 **Considerations** *and read from there.*