feat: add announcement channels, publishing and following (#3090)

fluxer_app/src/features/channel/commands/ChannelCommands.ts

@@ -8,6 +8,7 @@ import {Logger} from '@app/features/platform/utils/AppLogger';
 import Slowmode from '@app/features/slowmode/state/Slowmode';
 import {ChannelTypes} from '@fluxer/constants/src/ChannelConstants';
 import {CHANNEL_RATE_LIMIT_PER_USER_MAX} from '@fluxer/constants/src/LimitConstants';
+import type {ChannelFollowerStatsResponse} from '@fluxer/schema/src/domains/channel/ChannelFollowSchemas';
 import type {Channel, ChannelSlowmodeStateResponse} from '@fluxer/schema/src/domains/channel/ChannelSchemas';
 import type {Invite} from '@fluxer/schema/src/domains/invite/InviteSchemas';
 
@@ -31,6 +32,7 @@ type ChannelUpdateParams = Partial<
 	Pick<
 		Channel,
 		| 'name'
+		| 'type'
 		| 'topic'
 		| 'url'
 		| 'nsfw'
@@ -155,6 +157,11 @@ export async function update(channelId: string, params: ChannelUpdateParams): Pr
 	}
 }
 
+export async function fetchFollowerStats(channelId: string): Promise<ChannelFollowerStatsResponse> {
+	const response = await http.get<ChannelFollowerStatsResponse>(Endpoints.CHANNEL_FOLLOWER_STATS(channelId));
+	return response.body;
+}
+
 export async function updateGroupDMNickname(
 	channelId: string,
 	userId: string,