Add char support

[Katsute]

Prerequisites

If all checks are not passed then the request will be closed.

• I have checked that no other similar feature request already exists.
• I have checked that this feature does not already exist.
• The feature request makes sense for the project.

Proposal

Describe the feature that should be added.
Allow contexts to be created with chars.

Reasoning

Explain why this feature should be added.
Specifically for usage with context /

[Katsute]

• this feature doesn't have many use cases
• httpserver doesn't allow char contexts so this would actually be more inefficient due to casting