feat: support DeepL's model (close #1126)

web/berry/src/constants/ChannelConstants.js

@@ -137,6 +137,12 @@ export const CHANNEL_OPTIONS = {
     value: 36,
     color: 'primary'
   },
+  38: {
+    key: 38,
+    text: 'DeepL',
+    value: 38,
+    color: 'primary'
+  },
   8: {
     key: 8,
     text: '自定义渠道',

web/default/src/constants/channel.constants.js

@@ -23,6 +23,7 @@ export const CHANNEL_OPTIONS = [
     {key: 35, text: 'Cohere', value: 35, color: 'blue'},
     {key: 36, text: 'DeepSeek', value: 36, color: 'black'},
     {key: 37, text: 'Cloudflare', value: 37, color: 'orange'},
+    {key: 38, text: 'DeepL', value: 38, color: 'black'},
     {key: 8, text: '自定义渠道', value: 8, color: 'pink'},
     {key: 22, text: '知识库：FastGPT', value: 22, color: 'blue'},
     {key: 21, text: '知识库：AI Proxy', value: 21, color: 'purple'},