Add LiquidM SDK changelog.
Update README.md.
Reorganize folder structure and describe it in README.
Update README.
Set light theme and add lorem ipsum content.
Simplify fullscren ad example.
Cleanup main screen.
Allow activities rotation.
Add description of example application to README.
Fix fullscreen example.
Update README.
Update README.md

Cleanup integration description and remove example description from the end.
Update README.md

Use syntax coloring in examples.
Update README.md
Update README.md

Mention DFP integration.