doc: updated documentation:
changed Installation section;
formatting;
# Mamonsu: configuration file
## Configuration Parameters
-The agent.conf configuration file is located in the /etc/mamonsu directory by default. It provides several groups of parameters that control which metrics to collect and how to log the collected data:
+The *agent.conf* configuration file is located in the */etc/mamonsu* directory by default. It provides several groups of parameters that control which metrics to collect and how to log the collected data:
- [Connection Parameters](#connection-parameters);
- [Logging parameters](#logging-parameters);
- [Plugin Parameters](#plugin-parameters).
-All parameters must be specified in the parameter = value format.
+All parameters must be specified in the `parameter = value` format.
***
