In-feed notice: Invite your friends

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## Goal

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Clearly outline the goal of the issue and why we are doing it
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As Minds, I want to inform active users about mechanisms and incentives for referring friends, so that active users invite more friends to Minds.


## What needs to be done

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Clearly detail what needs to be done to achieve the goal set out above
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Create an in-feed notice that prompts users to invite friends from the Newsfeed.

| Notice         | Description                                                                                                                                  | Dismissable | Position | Sticky | Display priority | Conditions                            | Primary action                                                            | Secondary action                                                    |
|----------------|----------------------------------------------------------------------------------------------------------------------------------------------|-------------|----------|--------|------------------|---------------------------------------|---------------------------------------------------------------------------|---------------------------------------------------------------------|
| Invite friends | Minds gets better with friends. Share your referral link to invite them to join. If they earn money on Minds, you'll earn a 5% referral fee. | Yes         | Top      | No     | Shuffle                | All users | Share invite (copy referral URL; on mobile, display native share options) | Learn more (link to https://www.minds.com/settings/other/referrals) |


## QA

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Consideration is given to how the issue will be demoed and tested prior to being deployed
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## UX/Design

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Sufficient wireframes have been presented and understood by the development team. Full mockups are not required and re-usable components are encouraged.
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## Personas

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Who does this user impact and why (optional)
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## Experiments

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Experiments are not required, but it should be made clear if one is expected. If experiments are required, the hypothesis should be outlined.
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## Acceptance Criteria

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Everyone should be able to understand what is expected to be delivered
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- [x] The `Invite friends` in-feed notice appears for eligible users in the Newsfeed
- [x] The primary and secondary buttons click through to the actions described above
- [x] When the Primary button is clicked on web, a toast message reads: `Invite link copied to clipboard`
- [x] View and click events are recorded to understand the efficacy of the notice

## Definition of Ready Checklist

- [x] Definition Of Done (DoD)
- [x] Acceptance criteria
- [x] Weighted
- [x] QA
- [x] UX/Design
- [x] Personas
- [x] Experiments

Story points: 3.0