feat(core): add durable providers feature

[kamilmysliwiec]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/nestjs/nest/blob/master/CONTRIBUTING.md
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Other... Please describe:

What is the current behavior?

Issue Number: N/A

What is the new behavior?

Does this PR introduce a breaking change?

• Yes
• No

Other information

[coveralls]

Pull Request Test Coverage Report for Build 96f81229-54ff-4c28-a9a9-eb25bf191d3f

• 55 of 60 (91.67%) changed or added relevant lines in 5 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.04%) to 93.971%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
packages/core/injector/instance-wrapper.ts	41	46	89.13%

Totals
Change from base Build a990b756-b98c-4da3-8b61-4640f33d96df:	-0.04%
Covered Lines:	5845
Relevant Lines:	6220

---

💛 - Coveralls