feat: Add new Pandas interview questions on MultiIndex and pd.merge(), update various interview guides, and include site verification files.

Author: singhsidhukuldeep

docs/Deploying-ML-models/deploying-ml-models.md

@@ -1,6 +1,6 @@
 ---
-title: Home
-description: Home page for the platform for Data Science Interview Questions 
+title: Deploying Machine Learning Models to Production
+description: Complete guide to ML deployment - Docker containerization, Kubernetes orchestration, Flask/FastAPI APIs, AWS/GCP/Azure cloud deployment, CI/CD pipelines, and MLOps best practices.
 ---
 
 # Home

docs/Interview-Questions/Interview-Questions.md

@@ -1,6 +1,6 @@
 ---
-title: Interview Questions
-description: These are currently most commonly asked questions. Questions can be removed if they are no longer popular in interview circles and added as new question banks are released.
+title: Data Science Interview Questions - Complete Collection
+description: Comprehensive collection of 500+ data science interview questions covering ML, Python, SQL, NLP, statistics, and system design asked at Google, Meta, Amazon, and top tech companies.
 # hide:
 #   - toc
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