Introduce Streamable HTTP Transport

[longfin]

Description of Changes

Closes #4

Type of Change

• Bug fix
• New feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no API changes)
• Build-related changes
• CI-related changes
• Documentation content changes
• Other changes

Does this change include dependency updates?

• Yes
• No

Testing

Please describe how you tested these changes.

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• All dependent changes have been merged and published

[michaelKAP-K]

LGTM

[jckdotim]

LGTM