Added instructions in README.md file to show how devs can use lates…

…t binaries in their project.

README.md

@@ -24,6 +24,30 @@ Library for accessing [libkiwix](https://github.com/kiwix/libkiwix) and [libzim]
 
 AAR file will be generated in directory `lib/build/outputs/aar`
 
+### Use the binary in your project
+
+First, locate the `lib-debug.aar` file.
+You can find it in the `lib/build/outputs/aar` directory.
+Copy this file to a location on your computer. Open your project's Gradle configuration file.
+Inside the Gradle file, import the AAR file as a dependency.
+To do this, you need to specify the path to the AAR file.
+
+If you are using Kotlin for your Gradle file, add the following code snippet:
+
+```kotlin
+dependencies {
+    implementation(files("path-of-aar-file/lib-debug.aar"))
+}
+```
+
+If you are using Groovy for your Gradle file, use this code snippet:
+
+```kotlin
+dependencies {
+    implementation files("path-to-your-aar-file/lib-debug.aar")
+}
+```
+
 ### Load zim file
 
 To load a ZIM file you need to create an `Archive` object.