Code-Pathfinder lang & license update

[shivasurya]

Pushing some updates

• Updates to license (AGPL-3.0 to Apache-2.0)
• Added support for Go language analysis - blog post

🛠️ Tool Requirements

• I have not changed the README.md directly. (New tools go in data/tools/)
• The tool has more than 20 stars on GitHub (or similar impact).
• The project has existed for at least 3 months.
• The project is actively maintained.
• The description in the YAML file is under 500 characters.