Add initial devcontainer configuration

[brylie]

Summary by Sourcery

Initial setup for development container configuration, including Docker Compose setup for a Python and PostgreSQL environment, and Dependabot configuration for automated dependency updates.

[sourcery-ai[bot]]

Reviewer's Guide by Sourcery

This pull request introduces an initial devcontainer configuration to streamline the development environment setup. It includes Docker Compose configurations for a Python application and a PostgreSQL database, a Dependabot configuration for automated dependency updates, and a devcontainer.json file to define the development container settings.

File-Level Changes

Files	Changes
.devcontainer/docker-compose.yml .devcontainer/devcontainer.json	Added initial devcontainer configuration to set up a consistent development environment using Docker Compose, including services for the application and PostgreSQL database, and defined settings for the development container.
.github/dependabot.yml	Configured Dependabot to automate dependency updates for the devcontainers package ecosystem on a weekly schedule.

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[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud