Update readme file and add logo for the library

Author: AmrDeveloper

RELEASING.md

@@ -0,0 +1,15 @@
+Releasing
+========
+
+1. Update the version in module `build.gradle` file.
+2. Update the `CHANGELOG.md` for the impending release.
+3. Update the `README.md` with the new version.
+4. `git commit -am "Prepare for release X.Y.Z."` (where X.Y.Z is the new version)
+5. `./gradlew publish --no-daemon --no-parallel`.
+6. Visit [Sonatype Nexus](https://s01.oss.sonatype.org/) and promote the artifact.
+7. `git tag -a X.Y.Z -m "Version X.Y.Z"` (where X.Y.Z is the new version)
+8. Update the `gradle.properties` to the next SNAPSHOT version.
+9. `git commit -am "Prepare next development version."`
+10. `git push && git push --tags`
+
+If step 5 or 6 fails, drop the Sonatype repo, fix the problem, commit, and start again at step 5.