feat(pluto): add DID store and provider

[goncalo-frade-iohk]

Fixes ATL-2355

[github-actions]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ REPOSITORY	checkov	yes		no	10.19s
✅ REPOSITORY	dustilock	yes		no	0.01s
✅ REPOSITORY	gitleaks	yes		no	4.46s
✅ REPOSITORY	git_diff	yes		no	0.38s
✅ REPOSITORY	secretlint	yes		no	2.42s
✅ REPOSITORY	syft	yes		no	0.59s
✅ YAML	prettier	1		0	1.34s
✅ YAML	yamllint	1		0	0.27s

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[yshyn-iohk]

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