Added basic first content of the README about the app.
Added instructions for when unclear
Switch to sentence per line structure
Expand Project Description.

Discuss the sharing aspects of the app. Both of the files and what we
want to do in regards to offline sharing.
Expand near-future goals

Expand on the hiding goals; separate those from the other goals.
Expand on the other goals for data sharing.

Minor addition to the project description.
Create caveats section.

Explain why we have caveats.

Add the list of potential things that can cause serious trouble.
Which is mostly dataloss.
Merge pull request #69 from AlexKolpa/68-readme-content

README Content