Add complete GIS ETL project skeleton for SRTM data processing

- Python modules for geo boundary processing and SRTM downloads
- Docker containerization with GDAL support
- Development environment with devcontainer
- Orchestration scripts for local and containerized execution
- Support for KMZ/GeoJSON boundary files and NASA SRTM data

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

scripts/run_etl.sh

@@ -0,0 +1,58 @@
+#!/bin/bash
+
+set -e
+
+BOUNDARY_FILE=""
+OUTPUT_DIR="./data/output"
+TEMP_DIR="./data/temp"
+VERBOSE=false
+
+usage() {
+    echo "Usage: $0 -b BOUNDARY_FILE [-o OUTPUT_DIR] [-t TEMP_DIR] [-v]"
+    echo "  -b BOUNDARY_FILE  Path to boundary file (KMZ/GeoJSON)"
+    echo "  -o OUTPUT_DIR     Output directory (default: ./data/output)"
+    echo "  -t TEMP_DIR       Temporary directory (default: ./data/temp)"
+    echo "  -v                Verbose output"
+    exit 1
+}
+
+while getopts "b:o:t:vh" opt; do
+    case $opt in
+        b) BOUNDARY_FILE="$OPTARG" ;;
+        o) OUTPUT_DIR="$OPTARG" ;;
+        t) TEMP_DIR="$OPTARG" ;;
+        v) VERBOSE=true ;;
+        h) usage ;;
+        \?) echo "Invalid option -$OPTARG" >&2; usage ;;
+    esac
+done
+
+if [ -z "$BOUNDARY_FILE" ]; then
+    echo "Error: Boundary file is required"
+    usage
+fi
+
+if [ ! -f "$BOUNDARY_FILE" ]; then
+    echo "Error: Boundary file '$BOUNDARY_FILE' not found"
+    exit 1
+fi
+
+echo "Starting SRTM ETL process..."
+echo "Boundary file: $BOUNDARY_FILE"
+echo "Output directory: $OUTPUT_DIR"
+echo "Temp directory: $TEMP_DIR"
+
+if [ "$VERBOSE" = true ]; then
+    LOG_LEVEL="DEBUG"
+else
+    LOG_LEVEL="INFO"
+fi
+
+export PYTHONPATH="${PYTHONPATH}:$(pwd)/src"
+
+python3 src/main.py \
+    --boundary-file "$BOUNDARY_FILE" \
+    --output-dir "$OUTPUT_DIR" \
+    --temp-dir "$TEMP_DIR"
+
+echo "ETL process completed successfully"