test(pillarbox): player initialization

[amtins]

Description

Adds a test case to ensure that when the player is created, the instance is a component of type Player.

Changes made

• adds a test case for player initialization
• adds types/jest to dev dependencies to add autocompletion
• adapts linter rules for Jest

[github-actions[bot]]

Coverage report

St.:grey_question:	Category	Percentage	Covered / Total
🟢	Statements	100%	1/1
🟢	Branches	100%	0/0
🟢	Functions	100%	1/1
🟢	Lines	100%	1/1

Test suite run success

4 tests passing in 1 suite.

Report generated by 🧪jest coverage report action from 9fdd9e17c0909b5bc90c8b7619db58d647e5d83a

[github-actions[bot]]

:tada: This PR is included in version 1.0.0 :tada:

The release is available on:

• npm package (@main dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: