get-rankingslisted

## Instructions Fetch current GBL rankings for the requested cup and CP cap from pvpoke.com. Cache results to limit requests to a free, community-maintained service. Requires: `cp` (e.g. `1500`) and `cup` (e.g. `all` or `jungle`). If either is missing, request them before proceeding. ## Sources ### PVPoke IMPORTANT: https://pvpoke.com/ is the source of truth - The format of the pvpoke urls is: https://pvpoke.com/rankings/{cup}/{cp}/{category}. - The {category} enum is [overall, leads, closers, switches, chargers, attackers, consistency] - The rankings data is JS-rendered and will NOT appear in a plain WebFetch of the page. The CSV export is also a client-side JS blob and is not fetchable. - Instead, fetch the raw JSON data directly using this URL pattern: `https://pvpoke.com/data/rankings/{cup}/{category}/rankings-{cp}.json` Example: `https://pvpoke.com/data/rankings/jungle/overall/rankings-1500.json` - The `{category}` in the JSON path matches the page category (overall, leads, closers, switches, etc.). ### Pokemongo.com https://pokemongo.com/en/news/ entries labeled GO Battle League* have current information with dates and should be considered for move changes impacting the meta. ## Caching Cache data for 48 hours in `~/.cache/pokemon-gbl/rankings/`. Refresh if the cached file is older than 48 hours. Write cache files as `~/.cache/pokemon-gbl/rankings/{cup}_{cp}_{category}.json` (e.g. `~/.cache/pokemon-gbl/rankings/jungle_1500_overall.json`). Create the directo