docs: update deployment links and improve API flow descriptions in README

Author: harshitt13

README.md

@@ -17,8 +17,8 @@ An AI‑powered financial intelligence platform for detecting and investigating
 [![Python](https://img.shields.io/badge/python-3.10%2B-blue.svg)](https://python.org)
 [![React](https://img.shields.io/badge/react-18.2%2B-blue.svg)](https://reactjs.org)
 [![Neo4j (optional)](https://img.shields.io/badge/neo4j-optional-green.svg)](https://neo4j.com)
-[![Deploy to Render](https://render.com/images/deploy-to-render-button.svg)](https://render.com/deploy?repo=https://github.com/AnuragWaskle/project-NETRA&dir=backend)
-[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/new/clone?repository-url=https://github.com/AnuragWaskle/project-NETRA&root-directory=frontend&project-name=netra-frontend&repository-name=netra-frontend)
+[![Deploy to Render](https://render.com/images/deploy-to-render-button.svg)](https://netra-8j8n.onrender.com)
+[![Deploy with Vercel](https://vercel.com/button)](https://netra-ai.vercel.app/)
 
 </div>
 
@@ -51,7 +51,7 @@ flowchart LR
 
   %% Backend API and Services
   subgraph Backend
-    API[REST API (/api)]
+    API[REST API]
     RS[risk_scoring.py]
     RG[report_generator.py]
     GA[graph_analysis.py]
@@ -68,8 +68,8 @@ flowchart LR
 
   %% Client -> API
   U -->|actions| FE
-  FE -->|Fetch JSON/PDF| API
-  FE -->|Upload ZIP/CSV| API
+  FE -->|Fetch JSON or PDF| API
+  FE -->|Upload ZIP or CSV| API
 
   %% API -> Services
   API --> RS