Remove Vision API and related examples

Eliminates all Vision & Image Analysis features from the SDK, including API implementation, documentation, and example scripts. This simplifies the codebase and documentation by focusing on non-vision capabilities.

Author: siddharth-shah-17

README.md

@@ -3,11 +3,11 @@
  * This example showcases all major SDK capabilities
  */
 import {
-  APIError,
-  AuthenticationError,
-  RateLimitError,
-  SVECTOR,
-  toFile
+    APIError,
+    AuthenticationError,
+    RateLimitError,
+    SVECTOR,
+    toFile
 } from '../src';
 
 async function comprehensiveExample() {
@@ -198,7 +198,7 @@ This is a sample document to demonstrate RAG capabilities.
 
     const customClient = new SVECTOR({
       apiKey: process.env.SVECTOR_API_KEY,
-      baseURL: 'https://api.svector.co.in', // Custom base URL
+      baseURL: 'https://spec-chat.tech', // Custom base URL
       timeout: 60000, // 1 minute timeout
       maxRetries: 1,  // Single retry
     });