feat(add): Use add instead of create for resources

[raulb]

Description of change

A brief description of the change, what it is and why it was made.

Fixes:

• https://meroxa.atlassian.net/browse/MEROXA-205
• https://meroxa.atlassian.net/browse/MEROXA-210

Type of change

• New feature
• Bug fix
• Refactor
• Documentation

Documentation updated

• Updated https://docs.meroxa.com/docs.

How was this tested?

• Unit Tests
• Deployed to staging

Additional references

How it looks now

❯ .m help
The Meroxa CLI allows quick and easy access to the Meroxa data platform.

Using the CLI you are able to create and manage sophisticated data pipelines
with only a few simple commands. You can get started by listing the supported
resource types:

meroxa list resource-types

Usage:
  meroxa [command]

Available Commands:
  add         add a meroxa resource
  completion  Generate completion script
  connect     connect two resources together
  create      create meroxa pipeline components
  describe    describe a component
  destroy     destroy a component
  help        Help about any command
  list        list components
  login       log into the Meroxa platform
  logout      logout of the Meroxa platform
  signup      sign up to the Meroxa platform
  version     display the version of the Meroxa CLI

Flags:
  -h, --help   help for meroxa
      --json   output json


❯ .m add resource
Error: requires at least 1 arg(s), only received 0
Usage:
  meroxa add resource <resource-type> [flags]

Flags:
      --credentials string   resource credentials
  -h, --help                 help for resource
  -m, --metadata string      resource metadata
  -n, --name string          resource name (default "foo")
  -u, --url string           resource url

Global Flags:
      --json   output json

requires at least 1 arg(s), only received 0

[raulb]

Calling this one ready for review. I gave adding tests a try, but I'm struggling to approach this in a way that doesn't become too cumbersome. I'll keep thinking about this. In the meantime, this should be good to go.

[raulb]

Per CI, Looks like I didn't quite did the refactor well. I'll look into this.

[ahmeroxa]

1 non-blocking comment. Looks good otherwise 👍

[owenthereal]

One more feedback. After that it can be merged.

[raulb]

Submitted a suggestion to edit the docs once we release these changes to customers: https://dash.readme.com/project/meroxa/v1.0/suggested/update/601abd5eb7b444004beb30c0