feat: Initialize NxMesh project with Docker, Nginx, PostgreSQL, and Rust backend

- Add Docker Compose configuration for development environment
- Create Nginx configuration files for routing and health checks
- Set up PostgreSQL database with health checks
- Add .dockerignore and .gitignore files to exclude unnecessary files
- Initialize Cargo.toml and Cargo.lock for Rust dependencies
- Include GNU General Public License for project
- Add README.md for project description
- Create Justfile for development workflow commands

Cargo.toml

@@ -0,0 +1,13 @@
+[workspace]
+members = [
+]
+
+resolver = "3"
+
+[workspace.lints.clippy]
+module_inception = "allow"
+
+[workspace.dependencies]
+sea-orm = "2.0.0-rc"
+sea-orm-cli = "2.0.0-rc"
+sea-orm-migration = "2.0.0-rc"