Add GitHub Pages deployment workflow

.github/workflows/deploy.yml

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+name: Deploy to GitHub Pages
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Pages
+        uses: actions/configure-pages@v4
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: '.'
+
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

README.md

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+# Portfolio Website
+
+A personal portfolio website for Mayank Joshi showcasing ML development projects, blog posts, and professional experience.
+
+## 🚀 Publishing to GitHub Pages
+
+This repository is configured to automatically deploy to GitHub Pages using GitHub Actions.
+
+### Setup Instructions
+
+1. **Enable GitHub Pages:**
+   - Go to your repository settings
+   - Navigate to "Pages" in the left sidebar
+   - Under "Build and deployment", set:
+     - Source: **GitHub Actions**
+
+2. **Deployment:**
+   - The site will automatically deploy when you push to the `main` branch
+   - You can also manually trigger deployment from the "Actions" tab
+
+3. **Access Your Site:**
+   - Once deployed, your site will be available at: `https://lothnic.github.io/portfolio/`
+   - If you want this to be your main user page (`https://lothnic.github.io`), rename this repository to `lothnic.github.io`
+
+### Manual Deployment
+
+You can manually trigger a deployment by:
+1. Going to the "Actions" tab in your repository
+2. Selecting "Deploy to GitHub Pages" workflow
+3. Clicking "Run workflow"
+
+## 📁 Project Structure
+
+```
+.
+├── index.html          # Main portfolio page
+├── styles.css          # Styles
+├── script.js           # JavaScript functionality
+├── blog/               # Blog section
+├── images/             # Image assets
+├── resume/             # Resume files
+└── resume.pdf          # PDF resume
+```
+
+## 🛠️ Local Development
+
+Since this is a static HTML site, you can simply open `index.html` in your browser, or use a local server:
+
+```bash
+# Using Python
+python -m http.server 8000
+
+# Using Node.js
+npx serve
+
+# Using PHP
+php -S localhost:8000
+```
+
+Then visit `http://localhost:8000`
+
+## 📝 License
+
+This is a personal portfolio project.