feat: v3.0.1

[Schlagonia]

Description

• Add solidity interfaces
• update spec
• add a security.md
• add deployment scripts
• bump solidity version
• clean up mock strategies
• increase api version

Fixes # (issue)

Checklist

• [x] I have run vyper and solidity linting
• [x] I have run the tests on my machine
• [x] I have followed commitlint guidelines
• [x] I have rebased my changes to the latest version of the main branch