feat: add teams (#848)

## Description

Add support for teams which will allow users to collaborate on
documents.

Teams features allows users to:

- Create, manage and transfer teams
- Manage team members
- Manage team emails
- Manage a shared team inbox and documents

These changes do NOT include the following, which are planned for a
future release:

- Team templates
- Team API
- Search menu integration

## Testing Performed

- Added E2E tests for general team management
- Added E2E tests to validate document counts

## Checklist

- [X] I have tested these changes locally and they work as expected.
- [X] I have added/updated tests that prove the effectiveness of these
changes.
- [ ] I have updated the documentation to reflect these changes, if
applicable.
- [X] I have followed the project's coding style guidelines.

apps/web/src/app/(dashboard)/admin/users/[id]/multiselect-role-combobox.tsx

@@ -0,0 +1,82 @@
+import * as React from 'react';
+
+import { Check, ChevronsUpDown } from 'lucide-react';
+
+import { Role } from '@documenso/prisma/client';
+import { cn } from '@documenso/ui/lib/utils';
+import { Button } from '@documenso/ui/primitives/button';
+import {
+  Command,
+  CommandEmpty,
+  CommandGroup,
+  CommandInput,
+  CommandItem,
+} from '@documenso/ui/primitives/command';
+import { Popover, PopoverContent, PopoverTrigger } from '@documenso/ui/primitives/popover';
+
+type ComboboxProps = {
+  listValues: string[];
+  onChange: (_values: string[]) => void;
+};
+
+const MultiSelectRoleCombobox = ({ listValues, onChange }: ComboboxProps) => {
+  const [open, setOpen] = React.useState(false);
+  const [selectedValues, setSelectedValues] = React.useState<string[]>([]);
+  const dbRoles = Object.values(Role);
+
+  React.useEffect(() => {
+    setSelectedValues(listValues);
+  }, [listValues]);
+
+  const allRoles = [...new Set([...dbRoles, ...selectedValues])];
+
+  const handleSelect = (currentValue: string) => {
+    let newSelectedValues;
+    if (selectedValues.includes(currentValue)) {
+      newSelectedValues = selectedValues.filter((value) => value !== currentValue);
+    } else {
+      newSelectedValues = [...selectedValues, currentValue];
+    }
+
+    setSelectedValues(newSelectedValues);
+    onChange(newSelectedValues);
+    setOpen(false);
+  };
+
+  return (
+    <Popover open={open} onOpenChange={setOpen}>
+      <PopoverTrigger asChild>
+        <Button
+          variant="outline"
+          role="combobox"
+          aria-expanded={open}
+          className="w-[200px] justify-between"
+        >
+          {selectedValues.length > 0 ? selectedValues.join(', ') : 'Select values...'}
+          <ChevronsUpDown className="ml-2 h-4 w-4 shrink-0 opacity-50" />
+        </Button>
+      </PopoverTrigger>
+      <PopoverContent className="w-[200px] p-0">
+        <Command>
+          <CommandInput placeholder={selectedValues.join(', ')} />
+          <CommandEmpty>No value found.</CommandEmpty>
+          <CommandGroup>
+            {allRoles.map((value: string, i: number) => (
+              <CommandItem key={i} onSelect={() => handleSelect(value)}>
+                <Check
+                  className={cn(
+                    'mr-2 h-4 w-4',
+                    selectedValues.includes(value) ? 'opacity-100' : 'opacity-0',
+                  )}
+                />
+                {value}
+              </CommandItem>
+            ))}
+          </CommandGroup>
+        </Command>
+      </PopoverContent>
+    </Popover>
+  );
+};
+
+export { MultiSelectRoleCombobox };