Update the README to add detailed information about the project.

README.md

@@ -2,6 +2,92 @@
 
 It creates and sends a notification to the server.
 
+# Ecosystem
+- [notification-server](https://gitlab.com/KKlochko/notification-server)
+- [notification-producer](https://gitlab.com/KKlochko/notification-producer) (current)
+- [notification-client](https://gitlab.com/KKlochko/notification-client)
+
+# Setup
+
+- Setup [notification-server](https://gitlab.com/KKlochko/notification-server), before continue.
+- Clone this repository.
+- Ensure that python and pip are installed:
+  ```
+  python --version
+  python -m pip -V
+  # or
+  python3 --version
+  python3 -m pip -V
+  ```
+
+- Create a virtual environment if needed:
+  Using `virtualenv`:
+  ```
+  virtualenv .venv
+  . .venv/bin/activate
+  # or
+  virtualenv3 .venv
+  . .venv/bin/activate
+  ```
+
+  Using `poetry`:
+  ```
+  poetry shell
+  ```
+
+- Install the dependencies:
+  Using `pip`:
+  ```
+  pip install -r requirements.txt
+  # or
+  pip3 install -r requirements.txt
+  ```
+
+  Using `poetry`:
+  ```
+  poetry install
+  ```
+
+- Run the main file:
+  Use options ip and port to change the server address. 127.0.0.1:5554 is the default address.
+  ```
+  python -m notification_producer.main --help
+  # or
+  python3 -m notification_producer.main --help
+
+  ```
+
+# Commands
+
+- Notify in the interactive mode:
+  ```
+  python -m notification_producer.main up
+  # or
+  python3 -m notification_producer.main up
+  ```
+
+  - Exit:
+    - Enter the empty `title` and the empty`message`.
+    - `Ctlr + C` (`C-c`).
+
+- Notify once using text:
+  ```
+  python -m notification_producer.main notify message --message hello
+  python -m notification_producer.main notify message --title greeting --message hello
+  # or
+  python3 -m notification_producer.main notify message --message hello
+  python3 -m notification_producer.main notify message --title greeting --message hello
+  ```
+
+- Notify once using a file content:
+  ```
+  python -m notification_producer.main notify file --file README.md
+  python -m notification_producer.main notify file --title file_greeting --file README.md
+  # or
+  python3 -m notification_producer.main notify file --file README.md
+  python3 -m notification_producer.main notify file --title file_greeting --file README.md
+  ```
+
 # Author
 
 Kostiantyn Klochko (c) 2023