Added initial lesson 1 power point
Added first 25 slides
Added next 8 slides
Initial structure create
Added shell activity and view
Linked view with activity
Added launch filter
Added text  view
Extracted string
Merge branch 'feature/hello-world' into app
Merge branch 'app' into develop
Added more detail to layout/view slides
Added our apps and lesson footer link
Added download link in introduction and additional description tidyups
Added lesson export
Updated gradle
Merge branch 'feature/lesson-1' into develop
Added list view to layout
Updated gradle
Added basic list adapter