[feature]manually enter airdrop addresses in Airdrop Creation Page

[javier123454321]

• [ ] It should allow for manually adding a new row at the bottom
• [ ] It should allow users to edit a row if uploaded from a csv
• [ ] It should show a 'delete row' button on hover for a row that has already been created
• [ ] It should update the airdrop total each new row that is 'saved'
• [ ] It should save the airdrop info to local storage (like airdrop creation page does)
• [x] #153
• [x] #152
• [x] It should notify the user if this airdrop is 'in progress' meaning that the merkle root is set.

[javier123454321]