Competition - reward, contact_email, report

@ mention of reviewers`

@Didayolo`

A brief description of the purpose of the changes contained in this PR.

Now users can add the following to their competition

1. contact email
2. reward text
3. report link

What is done in this PR

• Add/Update contact email
• Add/Update reward text
• Add/Update report link
• Add these in competition creation and updation
• Add contact_email and reward in yaml
• update v2 unpacker to unpack contact_email and reward
• show contact_email in forum
• Show reward in competition list card

Screenshots

When contact email,reward, and report are not added

When all of these are added

These can be added in the editor

YAML file can have contact_email and reward as shown below

Competition unpacked using V2 unpacker using the above YAML

Contact email in forum

Competition list shows reward icon when competition has reward

Issues this PR resolves

• #764 (closed) -> Editor / YAML fields -> Point 2,3,4

Checklist

• Code review by me
• Hand tested by me
• I'm proud of my work
• Code review by reviewer
• Hand tested by reviewer
• CircleCi tests are passing
• Ready to merge