readme: added a readme with some simple docs!

README.md

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+# docker-docker
+For running a proxmox server in a Docker container!
+
+## Info
+You might want to change the hostname in docker-compose.yml to something you like, and for Socat
+You can change the./socat/data/socat.sh and ips you want to passtthrough. AND DONT FORGET TO DO THAT
+TOO IN THE DOCKER-COMPOSE.YML!!
+
+## Building the images
+We first need to build the images to do this:
+```bash
+sudo docker compose build
+```
+And you will need to do that too for Socat. Just run this:
+```bash
+sudo docker compose --project-directory socat build
+```
+
+## Testing
+Now that they are built, go back to the root (aka cd ../) and run this:
+```bash
+docker compose up
+```
+And to test Socat, just run this:
+```bash
+docker compose --project-directory socat up
+```
+If everything seems fine (no errors), then you can run them with -d!
+
+# Contributors
+- DRAGONTOS
+
+