Links to 'search.maven.org' in Readme file

https://search.maven.org/remote_content?g=com.idealista&a=elves-android&v=LATEST (the lates elves-android JARs) link doesn't work properly (it returns 404 Not Found).

**Nota:** There are 2 typos in the text links (missing t's in _lates**t**_)