Publish ParadeDB extensions to APT, Homebrew, PGXN, and Yum

[philippemnoel]

What
This will make it easier for our users to self-host the ParadeDB extensions! They're the main repositories that pgvector publishes to.

Why
^

How
^

[philippemnoel]

Citus has done the work for this, it's open-source, and it's documented here: https://citusdata-packaging.readthedocs.io/en/latest/

I'll take a stab at this once I get some time

[philippemnoel]

Another place would be Package Cloud: https://packagecloud.io/

[philippemnoel]

Here's an example of a repo integrating pgrx and pgxn! [jsonschema: JSON Schema validation functions for PostgreSQL / PostgreSQL Extension Network](https://pgxn.org/dist/jsonschema/)

We can probably follow this to get it done easily