feat: add ollama.md link to OllamaModal (#272)

### What problem does this PR solve?

add ollama.md link to OllamaModal

Issue link:#221

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

web/src/locales/en.ts

       addLlmBaseUrl: 'Base url',
       baseUrlNameMessage: 'Please input your base url!',
       vision: 'Does it support Vision?',
+      ollamaLink: 'How to integrate Ollama',
     },
     message: {
       registered: 'Registered!',

web/src/locales/zh.ts

       modelNameMessage: '请输入模型名称！',
       modelTypeMessage: '请输入模型类型！',
       baseUrlNameMessage: '请输入基础 Url！',
+      ollamaLink: '如何集成 Ollama',
     },
     message: {
       registered: '注册成功',

web/src/pages/login/index.less

       color: #e9d7fe;
     }
     .rightPanel {
-      max-width: 640px;
+      max-width: 670px;
       .loginTitle {
-        font-size: 72px;
+        font-size: 68px;
         font-style: normal;
         font-weight: 600;
         line-height: 90px;

web/src/pages/user-setting/setting-model/ollama-modal/index.tsx

 import { useTranslate } from '@/hooks/commonHooks';
 import { IModalProps } from '@/interfaces/common';
 import { IAddLlmRequestBody } from '@/interfaces/request/llm';
-import { Form, Input, Modal, Select, Switch } from 'antd';
+import { Flex, Form, Input, Modal, Select, Space, Switch } from 'antd';
 import omit from 'lodash/omit';
 
 type FieldType = IAddLlmRequestBody & { vision: boolean };
       onOk={handleOk}
       onCancel={hideModal}
       okButtonProps={{ loading }}
+      footer={(originNode: React.ReactNode) => {
+        return (
+          <Flex justify={'space-between'}>
+            <a
+              href="https://github.com/infiniflow/ragflow/blob/main/docs/ollama.md"
+              target="_blank"
+              rel="noreferrer"
+            >
+              {t('ollamaLink')}
+            </a>
+            <Space>{originNode}</Space>
+          </Flex>
+        );
+      }}
     >
       <Form
         name="basic"