Add: Native support for GeoJSON via geopandas with dashboard example

examples/geo/.gitignore

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+secrets.toml
+.preswald_deploy

examples/geo/README.md

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+# 🏛️ Monument Intelligence Dashboard
+
+An interactive, AI-powered dashboard built with [Preswald](https://github.com/StructuredLabs/preswald) that explores iconic monuments across the world.  
+Analyze historical sites by region, visitors, time period, and more—all through stunning visualizations and natural language chat.
+
+---
+
+## 🌍 Features
+
+- 📍 Geospatial map of monuments with scalable marker sizes based on yearly visitors  
+- 📊 Interactive filters for time period and visitor counts  
+- 📈 Graphs for trends by country and build century  
+- 🧠 Built-in chatbot for natural language queries  
+- 🎨 Sidebar branding, responsive layout, and clean UI
+
+---
+
+## 🗂 Dataset
+
+The app uses a curated GeoJSON dataset with 45+ monuments including attributes like:
+
+- Name & Location  
+- Year Built  
+- Estimated Visitors per Year  
+- Latitude/Longitude coordinates  
+
+File: `data/monuments_geo.geojson`
+
+---
+
+## 🚀 Run Locally
+
+Make sure you have Python ≥3.8 and Preswald installed.
+
+```bash
+pip install preswald
+```
+
+Then run the app.
+
+```bash
+preswald run
+```
+
+## 📁 Folder Structure
+
+monument-dashboard/
+├── hello.py
+├── preswald.toml
+├── pyproject.toml
+├── README.md
+├── .gitignore
+├── data/
+│   └── monuments_geo.geojson
+├── images/
+│   ├── logo.png
+│   └── favicon.ico
+└── dist/         # (created after export)
+
+## 💡 Credits
+
+Built using [Preswald](https://github.com/StructuredLabs/preswald)
+Inspired by global cultural heritage and open data initiatives 🌐