[Meta] Implement compatibility with any arrays confirming to array api standard

[j-emberton]

Initial work description can be found in the following issue

• Array api compatability implementation #269

Ongoing work captured in the following issues:

• Test array api implementation strategies #344
• Create Array API compatibility infrastructure #326

Related issues:

• Using xarray with pyrealm? #43 is a long standing issue about making pyrealm easier to use by allowing xarray inputs. This meta issue should ideally support xarray, although actually implementing DataArrays as inputs is probably separate.