Stub out account's Group parameter

docs/api/swagger.yaml

@@ -300,6 +300,11 @@ definitions:
                 format: int64
                 type: integer
                 x-go-name: FollowingCount
+            group:
+                description: Indicates that the account represents a Group actor.
+                format: boolean
+                type: boolean
+                x-go-name: Group
             header:
                 description: Web location of the account's header image.
                 example: https://example.org/media/some_user/header/original/header.jpeg

internal/api/model/account.go

@@ -126,6 +126,8 @@ type Account struct {
 	// If set, indicates that this account is currently inactive, and has migrated to the given account.
 	// Key/value omitted for accounts that haven't moved, and for suspended accounts.
 	Moved *Account `json:"moved,omitempty"`
+	// Account identifies as a Group actor
+	Group bool `json:"group"`
 }
 
 // WebAccount is like Account, but with

internal/typeutils/internaltofrontend.go

@@ -388,6 +388,7 @@ func (c *Converter) accountToAPIAccountPublic(ctx context.Context, a *gtsmodel.A
 		EnableRSS:         enableRSS,
 		HideCollections:   hideCollections,
 		Roles:             roles,
+		Group:             false,
 	}
 
 	// Bodge default avatar + header in,