Update the README.

README.rst

@@ -6,6 +6,48 @@ dots-matrix-bot is the interface for
 access to `Dots Platform Clients API <https://docs.dots.live/>`__ using
 matrix.
 
+Setup
+=====
+
+-  setup `dots-bot-api <https://gitlab.com/KKlochko/dots-bot-api/>`__,
+   before continue.
+
+-  clone this repository.
+
+-  create ``.env``. Example:
+
+   .. code::
+
+      USERNAME=@example:example.com
+      PASSWORD=password
+      SERVER=https://example.com
+
+-  change the ``config.toml``: `more about allowlist and blocklist
+   formats <https://simple-matrix-bot-lib.readthedocs.io/en/latest/examples.html#id2>`__
+   Example:
+
+   .. code:: toml
+
+      [simplematrixbotlib.config]
+      allowlist = []
+      blocklist = []
+      admin_id = '@admin:example.com'
+
+-  check that dots-bot-api is accessible, if it works then you can
+   continue.
+
+-  change base url in ``src/config/dots_bot_api_config.py``: Example:
+
+   .. code:: python
+
+      _base_url = "https://dotsapi.server.com"
+
+-  run ``sudo docker-compose up -d`` in the project folder.
+
+-  run ``sudo docker ps`` to see that ``dots_matrix_bot`` is run.
+
+-  Now you can add bot to your chat and run commands.
+
 Template
 ========