add some Tooltips and helpful placeholders

[mohamedalichelbi]

Is your feature request related to a problem? Please describe.
Some UI functions can be unintuitive, so tooltips will help guide users.

Describe the solution you'd like
Tooltips for:

• Card buttons, like: edit, clone ,delete
• Column buttons, like: add new column, delete column.
  Helpful placeholder:
• In input of DAO page

Describe alternatives you've considered
Suggestions of other ways to integrate hints to users would be aprreciated

Additional context
Add any other context or screenshots about the feature request here.