Move photo sources into dedicated navigation page

pigway_frame_flow/web/i18n.js

@@ -27,3 +27,6 @@ Object.assign(MESSAGES.zh,{synologyPreviews:'超大图片使用 Synology Photos
 
 Object.assign(MESSAGES.zh,{peopleFilter:'按 Synology Photos 人物筛选',peopleHint:'只在当前目录和所选人物的交集中选图；不会退回全图库。需要共享空间人物相册授权。',choosePeople:'连接 / 选择人物',personMatch:'人物匹配方式',personAny:'包含任意所选人物',personAll:'同时包含所有所选人物',photosConfigure:'管理员需配置 SYNOLOGY_PHOTOS_URL 和 SYNOLOGY_PHOTOS_CERT_SHA256，并将共享 photo 目录挂载为照片根目录。',photosSessionHint:'仅保存受保护的登录会话，不保存 NAS 密码。会话失效后需要重新连接。',photosConnect:'连接 Synology Photos',photosDisconnect:'断开连接',peopleSearch:'搜索人物名称或 ID',peopleUnnamed:'显示未命名人物分组',peopleSelected:'已选择：'});
 Object.assign(MESSAGES.en,{peopleFilter:'Filter by Synology Photos people',peopleHint:'Choose only from the intersection of this folder and selected people. Requires shared-space People access; never falls back to the full catalog.',choosePeople:'Connect / choose people',personMatch:'Person matching',personAny:'Any selected person',personAll:'All selected people together',photosConfigure:'Admin must configure SYNOLOGY_PHOTOS_URL and SYNOLOGY_PHOTOS_CERT_SHA256, and mount the shared photo folder as the photo root.',photosSessionHint:'Only a protected login session is stored, never your NAS password. Reconnect when the session expires.',photosConnect:'Connect Synology Photos',photosDisconnect:'Disconnect',peopleSearch:'Search person name or ID',peopleUnnamed:'Show unnamed person groups',peopleSelected:'Selected: '});
+
+Object.assign(MESSAGES.zh,{'photo-sources':'照片数据源'});
+Object.assign(MESSAGES.en,{'photo-sources':'Photo sources'});