Update README to be more friendly for people first discovering the project

README.md

@@ -1,19 +1,35 @@
-# Snikket builder
+# Snikket server images
 
 This is the source repository for building [Snikket service](https://snikket.org/service/)
 Docker images.
 
-## Requirements
+Snikket is an open-source self-hosted personal messaging service. It aims to
+provide an alternative to proprietary and centralized messaging platforms
+while supporting all the expected features and being easy to use.
+
+For more information see the [Snikket website](https://snikket.org/).
+
+## Getting Started with Snikket
+
+For instructions on getting started with Snikket, see the [Snikket installation
+guide](https://snikket.org/service/quickstart/) on our website.
+
+## Building images
+
+This section is for people who want to build their own images of Snikket, e.g.
+for development purposes.
+
+### Requirements
 
  - GNU make
  - docker (tested on 19.03.5)
  - ansible (tested on 2.7 (debian buster))
 
-## Building
+### Building
 
 Run `make`
 
-## Running
+### Running
 
 The easiest way is to use docker-compose. Copy the file `snikket.conf.example` to
 `snikket.conf` and edit the values in it. Then run: