feat: Integrate WaterCrawl.dev as a new knowledge base provider (#16396)

Co-authored-by: crazywoola <427733928@qq.com>

web/models/common.ts

@@ -178,6 +178,7 @@ export enum DataSourceCategory {
 export enum DataSourceProvider {
   fireCrawl = 'firecrawl',
   jinaReader = 'jinareader',
+  waterCrawl = 'watercrawl',
 }
 
 export type FirecrawlConfig = {
@@ -185,6 +186,11 @@ export type FirecrawlConfig = {
   base_url: string
 }
 
+export type WatercrawlConfig = {
+  api_key: string
+  base_url: string
+}
+
 export type DataSourceItem = {
   id: string
   category: DataSourceCategory