Feat: Add the JS code (or other) executor component to Agent. #4977 (#7677)

### What problem does this PR solve?

Feat: Add the JS code (or other) executor component to Agent. #4977

### Type of change


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

web/src/constants/agent.ts

@@ -0,0 +1,26 @@
+export enum ProgrammingLanguage {
+  Python = 'python',
+  Javascript = 'javascript',
+}
+
+export const CodeTemplateStrMap = {
+  [ProgrammingLanguage.Python]: `
+    def main(arg1: str, arg2: str) -> dict:
+        return {
+            "result": arg1 + arg2,
+        }
+  `,
+  [ProgrammingLanguage.Javascript]: `
+    const axios = require('axios');
+    async function main(args) {
+      try {
+        const response = await axios.get('https://github.com/infiniflow/ragflow');
+        console.log('Body:', response.data);
+      } catch (error) {
+        console.error('Error:', error.message);
+      }
+    }
+
+    module.exports = { main };
+  `,
+};