docs: mkdocs cleanup and caught up with latest README changes (#2155)

docs/misc/deployment/aws.md

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+If you're looking for a simple way to deploy this to the Amazon Web Services Cloud, check out the [Minecraft Server Deployment (CloudFormation) repository](https://github.com/vatertime/minecraft-spot-pricing). This repository contains a CloudFormation template that will get you up and running in AWS in a matter of minutes. Optionally it uses Spot Pricing so the server is very cheap, and you can easily turn it off when not in use.

docs/misc/deployment/docker-compose.md

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+Rather than type the server options below, the port mappings above, etc
+every time you want to create new Minecraft server, you can now use
+[Docker Compose](https://docs.docker.com/compose/). Start with a
+`docker-compose.yml` file like the following:
+
+``` yaml
+version: "3"
+
+services:
+  mc:
+    image: itzg/minecraft-server
+    ports:
+      - 25565:25565
+    environment:
+      EULA: "TRUE"
+    tty: true
+    stdin_open: true
+    restart: unless-stopped
+```
+
+and in the same directory as that file run
+
+    docker-compose up -d
+
+Now, go play...or adjust the `environment` section to configure
+this server instance.

docs/misc/deployment/helmcharts.md

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+- itzg Helm Chart:
+    - [GitHub repo](https://github.com/itzg/minecraft-server-charts)
+    - [Helm Chart repo](https://itzg.github.io/minecraft-server-charts/)
+- [mcsh/server-deployment](https://github.com/mcserverhosting-net/charts)
+
+### Examples
+
+The [examples directory](https://github.com/itzg/docker-minecraft-server/tree/master/examples) also provides examples of deploying the [itzg/minecraft-server](https://hub.docker.com/r/itzg/minecraft-server/) Docker image.