Update README.md

Small improvements of the README file

Author: kelson42

README.md

@@ -1,29 +1,22 @@
+Libkiwix binding for Java/Kotlin
+================================
+
+Library for accessing [libkiwix](https://github.com/kiwix/libkiwix) and [libzim](https://github.com/openzim/libzim/) with Java or Kotlin on Android.
+
 [![Maven Central](https://img.shields.io/maven-central/v/org.kiwix.libkiwix/libkiwix)](https://search.maven.org/artifact/org.kiwix.libkiwix/libkiwix)
+[![Build Status](https://github.com/kiwix/java-libkiwix/workflows/CI/badge.svg?query=branch%3Amain)](https://github.com/kiwix/java-libkiwix/actions?query=workflow%3ACI+branch%3Amain)
 [![CodeFactor](https://www.codefactor.io/repository/github/kiwix/java-libkiwix/badge)](https://www.codefactor.io/repository/github/kiwix/java-libkiwix)
+[![Codecov](https://codecov.io/gh/kiwix/java-libkiwix/branch/main/graph/badge.svg)](https://codecov.io/gh/kiwix/java-libkiwix)
 [![License: GPL v3](https://img.shields.io/badge/License-GPLv3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)
 
-# Java Libkiwix binding for Java/Kotlin
-
-Android Library for accessing libkiwix and libzim in android with JAVA wrapper.
-
-# Steps to build
-
-## Clone java-libkiwix
-
-```bash
-git clone https://github.com/kiwix/java-libkiwix.git
-cd java-libkiwix
-```
+# Build
 
 ## Install dependencies
-
 ```bash
 ./install_deps.sh
 ```
 
 ## Compile
-
-
 ```bash
 ./gradlew buildHeaders
 ./gradlew build
@@ -32,5 +25,11 @@ cd java-libkiwix
 AAR file will be generated in directory `lib/build/outputs/aar`
 
 
+# License
+
+[GPLv3](https://www.gnu.org/licenses/gpl-3.0) or later, see
+[COPYING](COPYING) for more details.
+
+