user- and group management added for administrator accounts. compose …

[SuitDeer]

…access control management in groups

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Description

I know big pull request are not welcome but for my personal use
I needed a user- and group-management for dockge.

Now the first user has admin rights an can manage (create, delete, modify) users.

Users now have a "is_admin" attribute. If set user and group management is also accessible via the "settings" menu.

Users without "is_admin" attribute can not create new compose stacks

But with "Groups" you can assign "users" to compose stacks.

So compose stacks can only be managed by "normal" users if there are in a group that contains stacks.

If the pull request gets applied some translations must be added to https://weblate.kuma.pet/ because of some new UI elements.

I have added new variables to frontend/src/en.json and frontend/src/de.json. But I only now these two languages.

Type of change

Please delete any options that are not relevant.

• User interface (UI)
• New feature (non-breaking change which adds functionality)
• This change requires a documentation update

Checklist

• My code follows the style guidelines of this project
• I ran ESLint and other linters for modified files
• I have performed a self-review of my own code and tested it
• I have commented my code, particularly in hard-to-understand areas
  (including JSDoc for methods)
• My changes generate no new warnings
• My code needed automated testing. I have added them (this is optional task)

Screenshots (if any)

Dockge in Agent Mode

(user: admin; is_admin: true)

User Management Menu

(user: admin; is_admin: true)

Create user Pop-Up

(user: admin; is_admin: true)

Filled User Management Table

(user: admin; is_admin: true)

Group Management Menu

(user: admin; is_admin: true)

Create Group Pop-Up

(user: admin; is_admin: true)

Filled Group Management Table

(user: admin; is_admin: true)

Manage Group Pop-Up

(user: admin; is_admin: true)

View as "normal" user

(user: peter; is_admin: false)

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[SuitDeer]

I had some time and updated the styling of the tables on groups- and users-page with commit 135a28f to integrated them more in the dockge styling theme: