Improve documentation (#6)

- Added short description of features
- Added travis, coverall and maven badges

* Fix links.

Author: morazow

.travis.yml

@@ -29,6 +29,9 @@ matrix:
 script:
   - travis_wait 30 ./scripts/ci.sh
 
+after_success:
+  - ./sbtx coveralls
+
 cache:
   directories:
     - "$HOME/.sbt/1.0"

README.md

@@ -1,8 +1,21 @@
 # Import Export UDF Common Scala
 
-Common libraries for Exasol IMPORT and EXPORT user-defined functions in Scala
+[![Build Status][travis-badge]][travis-link]
+[![Coveralls][coveralls-badge]][coveralls-link]
+[![Maven Central][maven-badge]][maven-link]
+
+Common libraries for Exasol IMPORT and EXPORT user defined functions in Scala
 programming language.
 
+## Features
+
+- Supports user provided key value parameters parsing
+- Supports Avro record deserialization into internal data structure
+
+## Information for Users
+
+- [Changelog](doc/changes/changelog.md)
+
 ## Dependencies
 
 ### Runtime Dependencies
@@ -43,6 +56,12 @@ These plugins help with project development.
 | [SBT PGP][sbt-pgp-link]                     | PGP plugin for `sbt`                                            | BSD 3-Clause License |
 | [SBT Git][sbt-git-link]                     | A plugin for Git integration, used to version the release jars  | BSD 2-Clause License |
 
+[travis-badge]: https://img.shields.io/travis/exasol/import-export-udf-common-scala/master.svg?logo=travis
+[travis-link]: https://travis-ci.com/exasol/import-export-udf-common-scala
+[coveralls-badge]: https://coveralls.io/repos/github/exasol/import-export-udf-common-scala/badge.svg?branch=master
+[coveralls-link]: https://coveralls.io/github/exasol/import-export-udf-common-scala?branch=master
+[maven-badge]: https://maven-badges.herokuapp.com/maven-central/com.exasol/import-export-udf-common-scala_2.12/badge.svg
+[maven-link]: https://mvnrepository.com/artifact/com.exasol/import-export-udf-common-scala
 [apache-avro-link]: https://avro.apache.org/
 [scala-logging-link]: https://github.com/lightbend/scala-logging
 [exasol-script-api-link]: https://docs.exasol.com/database_concepts/udf_scripts.htm

doc/changes/changes_0.1.0.md

@@ -1 +1,6 @@
-# Import Export UDF Common Scala v0.1.0, released 2020-MM-DD
+# Import Export UDF Common Scala 0.1.0, released 2020-MM-DD
+
+## Features
+
+* [#1](https://github.com/exasol/import-export-udf-common-scala/issues/1): Added initial implementation (PR [#2](https://github.com/exasol/import-export-udf-common-scala/pull/2))
+* [#3](https://github.com/exasol/import-export-udf-common-scala/issues/3): Updated documentation (PR [#4](https://github.com/exasol/import-export-udf-common-scala/pull/6))