docs: nestjs boilerplate add to readme

[devaungphyo]

Resource type (required)

• GitHub Repository:
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  • (Required) The repository is not archived.
• Video.
• Tutorial.
• Meetups.
• Improve documentation (grammatical corrections, improve doc style, ...).

If your contribution is NOT a GitHub repository, then you can skip the next titles, except "Rules".

Description (required)

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Rules (required)

• NestJS / Nest: It's not nest, nestjs, nest.js, and other variants.
• Node.js: It's not nodejs, node, and other variants.