Migrate a bunch of documentation from Joplin notes to Gitlab documentation

docs/Gathering Hardware Info.md

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+# Using `inxi`
+`inxi` is a script which employs a wide array of system information utilities to assemble a holistic system summary. Check out [the repository](https://github.com/smxi/inxi) for more information.
+
+### Install `inxi`
+`curl -o inxi https://raw.githubusercontent.com/smxi/inxi/master/inxi && chmod +x inxi` to download and make executable the dependency-free script.
+
+### Gather Host Info
+`sudo ./inxi -CDGmMNPS` to generate information summary. Refer to [`man inxi`](http://manpages.ubuntu.com/manpages/bionic/man1/inxi.1.html) for more information.
+
+* `-C` Full CPU info
+* `-D` Full disk info
+* `-G` GPU info
+* `-m` Memory (RAM) info
+* `-M` Machine info
+* `-N` Network card info
+* `-P` Partition info
+* `-S` System info (hostname, kernel, DE, WM, distro, etc.)

docs/Install Docker.md

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+Debian (and derivatives)
+```bash
+sudo apt update && sudo apt upgrade && \
+sudo apt install git docker docker-compose && \
+sudo systemctl enable docker && \
+sudo usermod -aG docker $USER && \
+logout
+```
+
+Arch (and derivatives)
+```bash
+sudo pacman -Syu && \
+sudo pacman -S git docker docker-compose && \
+sudo systemctl enable docker && \
+sudo usermod -aG docker $USER && \
+logout
+```

docs/Recovering From Power Outage.md

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+## 1. Networking
+1. Power cycle the ONT. Wait until the top three lights are green.
+2. Power cycle the modem. Wait until the power, WAN, and Ethernet 1 lights are green.
+3. Power cycle the router
+Switches and APs should not need power cycling. Once the indicator LED is solid white, everything should be back online.
+
+## 2. Homelab
+1. Power on the desktop or laptop.
+2. Power on the NAS. The DS4243 will power itself on automatically. **Wait until the webui at [nas.jafner.net](http://nas.jafner.net) is responsive.**
+3. Power on the Seedbox. Once it is accessible, run a `sudo mount -a` to mount all network shares defined in `/etc/fstab`. Then run `docker start $(docker ps -aq)` to start all Docker containers. 
+4. Power on the Server. Once it is accessible, run a `sudo mount -a` to mount all network shares defined in `/etc/fstab`. Then run `docker start $(docker ps -aq)` to start all Docker containers. Note: Run `docker inspect -f '{{ .Mounts }}' $(docker ps -q)` to get a list of volumes for all running containers, useful for determining whether a container is reliant on a mounted directory.
+

docs/Upgrade from Debian 10 (Buster) to 11 (Bullseye).md

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+1. Edit the contents of `/etc/apt/sources.list` as sudo. Make it match the [default Debian 11 sources.list](https://wiki.debian.org/SourcesList#Example_sources.list), using the contrib, non-free additional components.
+2. Run `sudo apt update && sudo apt upgrade`
+3. Run `sudo apt full-upgrade`
+4. Reboot.

server/config/plex/README.md

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+# Remote Access
+To get remote access working, make the following changes:
+1. Set `Settings > Remote Access > Manually Specify public port` to `443`
+2. Set `Settings > Network > Custom server access URLs` to `https://plex.jafner.net:443`
+The settings page may incorrectly report that the server is inaccessible. 
+
+- https://github.com/Jafner/docker_config/blob/master/plex/docker-compose.yml
+- https://forums.plex.tv/t/plex-traefik-2-0-2-1-not-available-outside-your-network/521424/3
+
+# LG WebOS TV Video Format Support 
+From LG's documentation:
+![lg_webos_playing_video_files.png](docs/img/lg_webos_playing_video_files.png)
+![lg_webos_video_codec.png](docs/img/lg_webos_video_codec.png)
+![lg_webos_video_playback_supporting_file.png](docs/img/lg_webos_video_playback_supporting_file.png)