Add build and release pipelines

[codez0mb1e]

Changelog:

• Introduce build and release pipelines
• Ensuring proper Docker image management.

[Copilot]

Pull Request Overview

This PR adds containerization and CI/CD infrastructure to the BinanceBot project, enabling Docker-based deployments and automated build/release pipelines.

• Introduces Docker Compose configuration for running marketbot and marketviewer services
• Adds GitHub Actions workflows for automated building and releasing of Docker images
• Consolidates environment configuration by moving .env.example files to the project root

Reviewed Changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
compose.yml	Defines Docker Compose services for both marketbot and marketviewer with shared network configuration
Dockerfile.marketbot	Multi-stage Dockerfile for building and running the MarketBot console application
Dockerfile.marketviewer	Multi-stage Dockerfile for building and running the MarketViewer console application
.github/workflows/build.yml	CI workflow for building and testing the project across Debug/Release configurations
.github/workflows/release.yml	CD workflow for building and pushing Docker images to GitHub Container Registry
.env.example	Root-level environment configuration template for API credentials
src/BinanceBot.MarketViewer.Console/.env.example	Removed in favor of root-level configuration
src/BinanceBot.MarketBot.Console/.env.example	Removed in favor of root-level configuration

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