all: add a README

- Instructions for how to build the app for the first time with Android
  Studio.

- Add a .gitignore to avoid polluting the git repo too much.

Change-Id: I575942dff320dceced608f7d366d789d176d3c5c
2 files changed
tree: 64b6e2452467587507359f7e3d089bbe31034dfd
  1. .gitignore
  2. AUTHORS
  3. CONTRIBUTING.md
  4. CONTRIBUTORS
  5. LICENSE
  6. PATENTS
  7. README
  8. app/