Homepage / Landing Page Basic Version

- [x] Remove hard coded comments
- [x] Add intro text:

- Gitbu has been created so you never lose track of the history of your issues and comments. Find out what was added, when and by who.
- [x] Add upcoming features section

Gitbu is currently in development and some features are still being built. The next upcoming features are:

- Github Authorisation
- Offline access

......
- Takes a record of all your issues and comments from the point of installation
- Starts tracking history from the point of installation

- [x] Add set up text

**How to set up the app**
- Enable app
- Select Org
- Select repo to track
- Create a new issue/ add/edit a comment/ close a comment/ reopen a comment
- Click on the meta table to go to gitbu and see your previous versions