Trainer Plus - client tracking

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New Features:
-Achievements screen: showing all time workouts, volume and time completed
-Badges for Achievements that can be shared
-Popup when 'Achievement' is reached
-Added 'All Time' to Workout Summary (adds current workout metrics to all time)

Issues fixed:
- App crashing when using share feature
- Video link on exercise not showing when resuming tracked workout
- Exercise status colour if only some sets are done when tracking