feat: Add or remove user and groups from roles

[novakzaballa]

Thanks for submitting a PR! Please check the boxes below:

• I have run pre-commit to check linting
• I have filled in the "Changes" section below?
• I have filled in the "How did you test this code" section below?
• I have used a Conventional Commit title for this Pull Request

Changes

• Add users and roles in the roles modal.
• Add roles in the edit permission modal for users and groups.
• Edit permissions for projects and environments in their Settings tab.
• Added "show_role_management" flag to wrap this features.

How did you test this code?

Manage roles

• Go to manage -> members.
• Click the "Roles" tab.
• Click the "Create Role" button.
• Create a new role.
• Select the role in the role list.
• Edit name and description. (If you want to exit without saving, a confirmation modal will appear.)
• Edit organisation, project, and environment permissions (If you want to exit or change the tab without saving, a confirmation modal will appear.)
• Click the trash button to delete the role.

Add a role to a user.

• Go to Manage -> Members
• Click the "Edit permissions" button in a user.
• Click the "Add role" button.
• Select a role to add it.
• Click the role to remove it.

Add a role to a Group.

• Click the "Groups" tab.
• Click the "Edit permissions" button in a group.
• Click the "Add role" button.
• Select a role to add it.
• Click the role to remove it.

Add a User or Group to a Role.

• Click the "Roles" tab.
• Click a role.
• Click the "Members" tab.
• Click the "Assign role to User" or "Assign role to Group" button.
• Select a user or group to add it.
• Click the user or group to remove it.

Edit role permissions for project settings and environment settings.

• Go to Project Settings.
• Click the "Members" tab.
• Click the "Roles" tab.
• Click a role.
• Edit Role.
• Click the "Save permission" button.

Edit role permissions for environment settings.

• Go to Environment settings.
• Click the "Members" tab.
• Click the "Roles" tab.
• Click a role.
• Edit Role.
• Click the "Save permission" button.

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 6, 2023 7:44pm
flagsmith-frontend-preview	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 6, 2023 7:44pm
flagsmith-frontend-staging	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 6, 2023 7:44pm

[kyle-ssg]

Loads better

[gagantrivedi]

vercel is not working for me - approving to unblock @novakzaballa