docs: adding new demo for TS -> node

[curtis-h]

Description:

Adding a new demo, transpiling TS into node, giving us a simple CLI.
Not feature complete, currently handles Agent start, mediation, OOB connection, Credential issuance.

This demo is heavily focused on SDK integration, with minimal app frameworking.
Using to demonstrate functionality use, and generate feedback / conversations for improvements.

Checklist:

• My PR follows the contribution guidelines of this project
• My PR is free of third-party dependencies that don't comply with the Allowlist
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• I have checked the PR title to follow the conventional commit specification

[github-actions]

Lines	Statements	Branches	Functions
	76.14% (3636/4775)	66.53% (1666/2504)	80.29% (864/1076)

[coveralls]

Pull Request Test Coverage Report for Build 11840614029

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.06%) to 72.613%

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Totals
Change from base Build 11819333201:	0.06%
Covered Lines:	3528
Relevant Lines:	4649

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💛 - Coveralls