add tags

.blueprint

@@ -9,6 +9,7 @@ models:
     Membership: { team_id: biginteger, user_id: biginteger, role: 'string nullable' }
     Participant: { first_name: string, last_name: string }
     Registration: { event_id: biginteger, participant_id: biginteger, active: 'boolean default:1' }
+    Tag: { name: json, slug: json, type: 'string nullable', order_column: 'integer nullable', icon: 'string default:tag' }
     Team: { user_id: biginteger, name: string, personal_team: boolean }
     TeamInvitation: { team_id: biginteger, email: string, role: 'string nullable' }
     User: { name: string, public_key: 'string nullable', email: 'string nullable', email_verified_at: 'datetime nullable', password: 'string nullable', remember_token: 'string:100 nullable', current_team_id: 'biginteger nullable', profile_photo_path: 'string:2048 nullable', is_lecturer: 'boolean default:', two_factor_secret: 'text nullable', two_factor_recovery_codes: 'text nullable', two_factor_confirmed_at: 'datetime nullable', timezone: 'string default:Europe/Berlin' }