User can see latest message, 10 latest challenges or current challenge all in one home page

[i2xzy]

User stories:

• User can see latest inspirational message on home page User can see latest inspirational message on home page #30
• User can see 10 latest challenges in a carousel on home page User can see 10 latest challenges in a carousel on home page #31
• User can see their current challenge on the home page User can see their current challenge on the home page #32
• User will be prompted if they are sure they wish to abandon their current challenge
• User will receive confirmation that they have completed or abandoned a challenge