feat: enable `forceConsistentCasingInFileNames` for 'application' template

[micalevisk]

as per https://github.com/nestjs/typescript-starter/pull/311/

Does this PR introduce a breaking change?

• [ ] Yes
• [x] No

[kamilmysliwiec]

lgtm

[micalevisk]

@kamilmysliwiec can you please revert the commit 052e6588987794e61c32955b25584784abf32b2a

that flag is already in the tsconfig file '-' my bad