Feature - Make `ApolloPlayer` an `Audience`

[vectrixdevelops]

Overview

Description: Makes the ApolloPlayer an Audience so it can be used with Adventure better.

Code Example (If applicable):

Apollo.getPlayerManager().getPlayer(UUID.randomUUID())
    .ifPresent(player -> player.sendMessage(Component.text("Hello World!")));

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Review Request Checklist

• [x] Your code follows the style guidelines of this project.
• [x] I have performed a self-review of my code.
• [x] I have tested this change myself. (If applicable)
• [ ] I have made corresponding changes to the documentation. (If applicable)
• [x] The branch name follows the projects naming conventions. (e.g. feature/add-module & bugfix/fix-issue)

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