Fixes #5 - Add smart contract deployment scripts

[codebestia]

Description

Add smart contract deployment script with node and javascript.
Add environment setup for deployment with .env.example

Related Issue

Fixes #5

Type of Change

• Bug fix
• New feature
• Refactor
• Documentation update
• Other (please describe)

How Has This Been Tested?

• Unit tests
• Integration tests
• Manual tests
• Other (please describe)

Checklist:

• I have read the contributing guidelines.
• I have updated the documentation (if applicable).
• My changes do not break existing functionality.
• I have added tests that cover my changes (if applicable).
• All new and existing tests pass.
• I have included screenshots or GIFs to demonstrate the changes (if applicable).

Screenshots (if applicable)

Additional Notes