feat(vector): Add angle method to get angle between two vectors

[finger563]

Description

• If T is floating point, then enable angle method to get angle between the two vectors.

Motivation and Context

Consolidates code for computing angle, reducing chances of error and code duplication

How has this been tested?

Building and running as part of https://github.com/finger563/esp-motorgo-mini-gesture-control

Screenshots (if appropriate, e.g. schematic, board, console logs, lab pictures):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update
• Hardware (schematic, board, system design) change
• Software change

Checklist:

• My change requires a change to the documentation.
• I have added / updated the documentation related to this change via either README or WIKI

Software

• I have added tests to cover my changes.
• I have updated the .github/workflows/build.yml file to add my new test to the automated cloud build github action.
• All new and existing tests passed.
• My code follows the code style of this project.

[github-actions]

✅Static analysis result - no issues found! ✅