feat: new notification provider: slack bot

ui/src/domain/access.ts

@@ -58,6 +58,7 @@ export interface AccessModel extends BaseModel {
       | AccessConfigForRainYun
       | AccessConfigForRatPanel
       | AccessConfigForSafeLine
+      | AccessConfigForSlackBot
       | AccessConfigForSSH
       | AccessConfigForSSLCom
       | AccessConfigForTelegramBot
@@ -361,6 +362,11 @@ export type AccessConfigForSafeLine = {
   allowInsecureConnections?: boolean;
 };
 
+export type AccessConfigForSlackBot = {
+  botToken: string;
+  defaultChannelId?: string;
+};
+
 export type AccessConfigForSSH = {
   host: string;
   port: number;