feat: Add comprehensive license and repository protection

- Add MIT LICENSE file with proper copyright attribution
- Add SECURITY.md with vulnerability reporting guidelines
- Add CONTRIBUTING.md with contribution guidelines and standards
- Add CODE_OF_CONDUCT.md following Contributor Covenant 2.1
- Add .github/CODEOWNERS for code ownership protection
- Add GitHub issue templates (bug report, feature request)
- Add pull request template for standardized PRs
- Add automated workflows for code quality and security checks
- Add dependency review workflow for license compliance

This establishes professional standards and protections for the repository.

.github/CODEOWNERS

@@ -0,0 +1,35 @@
+# Code Owners for GeoGuessr MCP Server
+#
+# This file defines individuals or teams responsible for code in this repository.
+# Code owners are automatically requested for review when someone opens a pull request
+# that modifies code that they own.
+#
+# More info: https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners
+
+# Default owner for everything in the repo
+* @NyxiumYuuki
+
+# Core source code
+/src/ @NyxiumYuuki
+
+# API and Authentication
+/src/geoguessr_mcp/api/ @NyxiumYuuki
+/src/geoguessr_mcp/auth/ @NyxiumYuuki
+
+# Monitoring system
+/src/geoguessr_mcp/monitoring/ @NyxiumYuuki
+
+# Configuration files
+/pyproject.toml @NyxiumYuuki
+/docker-compose*.yml @NyxiumYuuki
+/Dockerfile @NyxiumYuuki
+
+# Security and policies
+/SECURITY.md @NyxiumYuuki
+/LICENSE @NyxiumYuuki
+
+# CI/CD and GitHub workflows
+/.github/ @NyxiumYuuki
+
+# Tests
+/tests/ @NyxiumYuuki