fix: resolve broken terminal demo image in README, bump v1.2.1

Author: aryanpanwar10005

README.md

@@ -8,7 +8,7 @@
 [![Works With](https://img.shields.io/badge/Works%20With-Cursor%20%7C%20Windsurf%20%7C%20Copilot%20%7C%20Replit%20%7C%20Lovable%20%7C%20Bolt-purple.svg)](skill/SEO_GEO_SKILL.md)
 
 <p align="center">
-  <img src="assets/demo.svg" alt="SEO & GEO Optimizer Terminal Demo" width="800">
+  <img src="assets/preview.png" alt="SEO & GEO Optimizer Terminal Demo" width="800">
 </p>
 
 ---

bin/install.js

@@ -21,7 +21,7 @@ const https = require('https');
 
 const REPO_RAW       = 'https://raw.githubusercontent.com/Aryanpanwar10005/seo-geo-optimizer/main/skill/SEO_GEO_SKILL.md';
 const SKILL_FILENAME = 'SEO_GEO_SKILL.md';
-const VERSION        = '1.2.0';
+const VERSION        = '1.2.1';
 
 const IDE_TARGETS = {
   cursor: {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "seo-geo-optimizer",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "Universal SEO & GEO skill for AI IDEs — Google, Bing, AI Overviews, Bing Copilot, ChatGPT, Perplexity. Works with Cursor, Windsurf, GitHub Copilot, Replit, Lovable, Bolt, and any AI assistant.",
   "bin": {
     "seo-geo-optimizer": "./bin/install.js"