Configure timestreaminfluxdb resource and add example

[umutarmut38]

Description of your changes

Added aws_timestreaminfluxdb_db_instance resource

I have:

• [ x] Read and followed Crossplane's contribution process.
• [ x] Run make reviewable to ensure this PR is ready for review.
• [ x] Added backport release-x.y labels to auto-backport this PR if necessary.

How has this code been tested

[turkenf]

Hi @umutarmut38,

Thank you for the PR, I see that the following is missing from the resource you added. Could you please run make generate and commit all the changes?

	apis/timestreaminfluxdb/
	cmd/provider/timestreaminfluxdb/
	examples-generated/timestreaminfluxdb/
	internal/controller/timestreaminfluxdb/
	internal/controller/zz_timestreaminfluxdb_setup.go
	package/crds/timestreaminfluxdb.aws.upbound.io_dbinstances.yaml