Add COM template for JEDI obs

[WalterKolczynski-NOAA]

Description

Adds a COM template to define a path to store obs processed for JEDI. This will allow UFSDA to stop writing to COM_OBS, which should be read-only as it belongs to obsproc in operations.

No functional change yet.

Type of change

• New feature (adds functionality)

Change characteristics

• Is this a breaking change (a change in existing functionality)? NO
• Does this change require a documentation update? NO

How has this been tested?

N/A

Checklist

• [x] Any dependent changes have been merged and published
• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [ ] My changes generate no new warnings
• [ ] New and existing tests pass with my changes
• [x] I have made corresponding changes to the documentation if necessary

[WalterKolczynski-NOAA]

@CoryMartin-NOAA @guillaumevernieres New template has been merged into develop. Should work with declare_from_tmpl just like all the other COM templates. Let me know if you need anything else.

[CoryMartin-NOAA]

Perfect, thanks @WalterKolczynski-NOAA ! @ypwang19 this is the PR I mentioned