feat(teams): add public flags to teams to allow easier sharing with other teams (#2179)

Resolves #2173
Co-authored-by: Daniel Herrmann <daniel.herrmann1@gmail.com>
Reviewed-on: https://kolaente.dev/vikunja/vikunja/pulls/2179
Reviewed-by: konrad <k@knt.li>
Co-authored-by: waza-ari <daniel.herrmann@makerspace-darmstadt.de>
Co-committed-by: waza-ari <daniel.herrmann@makerspace-darmstadt.de>

frontend/src/stores/config.ts

@@ -37,6 +37,7 @@ export interface ConfigState {
 			providers: IProvider[],
 		},
 	},
+	publicTeamsEnabled: boolean,
 }
 
 export const useConfigStore = defineStore('config', () => {
@@ -70,6 +71,7 @@ export const useConfigStore = defineStore('config', () => {
 				providers: [],
 			},
 		},
+		publicTeamsEnabled: false,
 	})
 
 	const migratorsEnabled = computed(() => state.availableMigrators?.length > 0)