Add Nema L22-20 outlet type

[ChrisRecioHive]

NetBox version

v4.0.11

Feature type

Data model extension

Proposed functionality

Include both Nema L22-20P and L22-20R connector types to power ports and power outlet types.

Use case

Certain PDUs use these connectors and there is currently no available outlet type to document these PDUs.

Database changes

No response

External dependencies

No response

[kmorin18]

For reference, this is similar to #7892 but a different Amperage

[jeremystretch]

@amit177 please comment here so that the issue can be assigned to you and your PR can be reviewed.

[amit177]

Opened PR #17399 for this