[Docs] Update main README w/ links to Docker images (pokt-network…

…#1593)

## Description

<!-- reviewpad:summarize:start -->
### Summary generated by Reviewpad on 18 Jan 24 19:46 UTC
This pull request updates the main README to reflect the use of a Docker
image. It adds a new section called "Docker Image" which provides
information on how to access and use the latest docker image.
Additionally, it includes instructions on how to pull the latest image
using the `docker pull` command.
<!-- reviewpad:summarize:end -->

README.md

@@ -45,6 +45,7 @@ The Pocket Core application will allow anyone to spin up a Pocket Network full n
 - [Running the tests](#running-the-tests)
 - [Contributing](#contributing)
 - [MainNet Seeds](#mainnet-seeds)
+- [Docker Image](#docker-image)
 - [Support \& Contact](#support--contact)
   - [GPokT](#gpokt)
 - [License](#license)
@@ -134,6 +135,19 @@ Please read [CONTRIBUTING.md](CONTRIBUTING.md) for details on contributions and
 
 MainNet seeds are being maintained by [NodeFleet](https://nodefleet.org/) and more details can be found at [docs.pokt.network/node/seeds/](https://docs.pokt.network/node/seeds/).
 
+## Docker Image
+
+[GitHub Packages](https://github.com/features/packages) is used to maintain
+docker images via [this workflow](https://github.com/pokt-network/pocket-core/blob/staging/.github/workflows/build-images.yaml).
+
+The latest images can be found [here](https://github.com/pokt-network/pocket-core/pkgs/container/pocket-v0).
+
+The latest image can be pulled like so:
+
+```bash
+docker pull ghcr.io/pokt-network/pocket-v0:latest
+```
+
 ## Support & Contact
 
 <div>
@@ -149,3 +163,7 @@ You can also use our chatbot, [GPokT](https://gpoktn.streamlit.app), to ask ques
 ## License
 
 This project is licensed under the MIT License; see the [LICENSE.md](LICENSE.md) file for details
+
+```
+
+```