Add on-chain group invites

[waddaboo]

Description

This PR introduces multiple new features to api, dashboard, and api-sdk.

New features included:

• api: query groups by group type (on-chain/off-chain).
• api: query groups by group name.
• api: add unique group name check when creating group.
• dashboard: when creating an on-chain group, auto create an associated off-chain group.
• dashboard: new function to get group by group name.
• dashboard: enabled generate invite link feature to on-chain group, which is made possible by the auto created associated off-chain group.
• dashboard: remove on-chain group member who join via invite link.
• dashboard: auto create associated group when generating invite link if associated group does not exist.
• api-sdk: get groups by group type (on-chain/off-chain).
• api-sdk: get groups by group name.
• api-sdk: get associated groups.
• client: new function to get on-chain group for join group via invite code verification.

Related Issue

Does this introduce a breaking change?

• [ ] Yes
• [x] No

Other information

Associated off-chain group flow:

1. Upon create an on-chain group, dashboard will auto create an associated off-chain group with the values below:

   const groupId = onchainGroup.id
   {
   name: groupId,
   description: `This group is associated to the on-chain group ${groupId}`,
   type: "on-chain"
   treeDepth: 16,
   fingerprintDuration: 3600
   }

2. Users can then get the associated group by querying the group with type="on-chain" && name="groupId".
3. In dashboard, users can use getGroupByName(name, type) .
4. In api-sdk, users can use getAssociatedGroups(name).

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[vplasencia]

Since the associated groups will only be used for the invite codes, we should make sure that people can't add members to those off-chain groups. What do you think?

If you try to use an invite code with the client app, you can see that the new member is added to the associated off-chain group.

[waddaboo]

Right, so the associated group will be used solely to generate invite codes and will not store any other information. I'll update it.

[waddaboo]

What about checking here if there is no other group with the same name when creating a group? This way, future issues can be avoided.

For this unique name check, do you want it to be unique for the whole database or just unique to admin?

[vplasencia]

For this unique name check, do you want it to be unique for the whole database or just unique to admin?

Unique per admin.

[waddaboo]

I have implemented the requested changes and new features. Feel free to continue your review. Thanks!