Complete strategies for airdrops

[git-union[bot]]

Description

As a user, I want to be able to complete strategies for each airdrop opportunity.

Acceptance criteria

• [ ] User should be able to select an airdrop from the list
• [ ] Each airdrop should have a set of strategy completion fields based on the requirements of the particular airdrop
• [ ] User should be able to fill in the strategy completion fields and save the strategy
• [ ] Completed strategies should be stored and associated with the corresponding airdrop