chore: Added README file content

README now describes usage scenarios and build instructions

README.md

@@ -1 +1,70 @@
-# mutter-display-presets
+# Mutter Display Presets
+[![Rust](https://github.com/alexdemb/mutter-display-presets/actions/workflows/rust.yml/badge.svg)](https://github.com/alexdemb/mutter-display-presets/actions/workflows/rust.yml)
+
+# Overview
+Mutter Display Presets is a command line application that allows to configure display layout presets for Mutter compositor on Wayland.
+
+# Installation
+TBD
+
+# Quick start
+
+Current display configuration can be saved as preset 'Work' using following command:
+
+```shell
+$ ./mutter-display-presets.AppImage save Work
+```
+
+After creating multiple presets for each use case, they can be listed:
+
+```shell
+$ ./mutter-display-presets.AppImage list
+Work
+Gaming
+TV
+```
+
+To switch to different preset, use 'apply' subcommand:
+
+```shell
+$ ./mutter-display-presets.AppImage apply Gaming
+```
+
+# Help
+```shell
+$ ./mutter-display-presets.AppImage --help 
+Usage: mutter-display-presets.AppImage [OPTIONS] <COMMAND>
+
+Commands:
+  save    Save current display configuration as a preset
+  apply   Apply display configuration from specified preset
+  list    List available presets
+  delete  Delete preset with specified name
+  rename  Rename display configuration preset
+  show    Print information about preset
+  help    Print this message or the help of the given subcommand(s)
+
+Options:
+  -v, --verbose
+          Verbose mode. Print more log messages
+
+  -c, --config <config>
+          Path to the configuration file. When not specified explicitly, 
+          '$XDG_CONFIG_HOME/display-presets.json' will be used. If environment variable 'XDG_CONFIG_HOME' is not set, '$HOME/.config/display-presets.json' will be used.
+
+
+  -t, --timeout <timeout>
+          Timeout (in seconds) for communication with Mutter D-Bus interface. 10 seconds by default
+
+  -h, --help
+          Print help (see a summary with '-h')
+
+  -V, --version
+          Print version
+```
+
+# Build
+```shell
+$ cd code/
+$ cargo build
+```