Updated documentations

README.md

-# Official users and groups service
+# Officials service
 
-The service maintains Tööinspektsioon official users and groups data.
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+Officials service is a microservice which provides official user and group management for TeIS application users.
+
+## Features
+
+Officials service is a Spring Boot application providing the following functionality:
+
+* official users management
+* official groups management
+
+## Requirements
+
+* [OpenJDK 11](https://openjdk.java.net/projects/jdk/11/)
+* [Rabbit MQ](https://www.rabbitmq.com/)
+* [PostgreSQL](https://www.postgresql.org/)
+
+See [how to run required dependencies](../docs/run-requirements.md).
+
+Officials service depends on other TeIS libraries:
+
+* [TeIS Gradle plugin](../teis-gradle-plugin)
+* [TeIS public commons libraries](../commons-public)
+* [TeIS commons libraries](../commons)
+* [TeIS office API gateway library](../office-api-gateway)
+
+## Run application
+
+Spring Boot project can be run directly from [OfficialsServiceApp.main()](service/src/main/java/ee/sm/ti/teis/OfficialsServiceApp.java) 
+method or via executable jar file. More info on running Spring applications: 
+[running your application.](https://docs.spring.io/spring-boot/docs/current/reference/html/using-boot-running-your-application.html)
+
+Visit [how to run application](../docs/run-application.md).
+
+## Build and configure
+Visit [how to build](../docs/build-configure.md) for more info.
+
+## Default profiles
+Visit [environment profiles](../docs/default-profiles.md) for more info.
+
+## Tests
+
+Run [integration](service/src/integTest) and [unit tests](service/src/test) via IDE or with Gradle in command line:
+
+```jshelllanguage
+./gradlew test
+```
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