docs: add some IS and CL clarifications

[thephez]

Update description of RPC instantlock fields, add links to glossary, and add links to more info from glossary entries

Preview build: https://dash-docs--105.org.readthedocs.build/projects/core/en/105/

[riongull]

Thanks for updating the docs with these clarifications, @thephez. This will help devs new to Dash.

[coolaj86]

Note: it would also be good to have "Remote Procedure Calls" named "Remote Procedure Calls (RPC)" or just "RPC" so that when trying to search the docs it's easier to find it in the menu via Ctrl+F / Cmd+F.

(I don't think anyone ever says or refers to RPC as "Remote Procedure Call" outside of an academic setting - much like REST, it's kinda lost it's meaning through it's colloquial use)

[thephez]

Note: it would also be good to have "Remote Procedure Calls" named "Remote Procedure Calls (RPC)" or just "RPC" so that when trying to search the docs it's easier to find it in the menu via Ctrl+F / Cmd+F.

(I don't think anyone ever says or refers to RPC as "Remote Procedure Call" outside of an academic setting - much like REST, it's kinda lost it's meaning through it's colloquial use)

Just to clarify, you're referring to the name of this section?

[coolaj86]

Yes. That's correct. Though it's strange that when I searched I don't recall it scrolling to the "Address Index RPCs" either.