Add Pallyy plugin

[timb-103]

What this adds

Pallyy (plugin) — a social media scheduling platform with a public REST API an agent can use to list connected profiles, draft and schedule posts with per-network captions, and upload media.

Checklist

• This PR adds exactly ONE new file under content/ (plus assets for this entry, if any).
• It follows CONTRIBUTING.md — required fields + the golden rules (G1–G8).
• npm run validate passes locally (schema, slug, vocabularies).
• slug is kebab-case and exactly matches the filename.
• I ran / used this myself end to end — it works today.
• Every URL in the frontmatter resolves to real, relevant content.
• The prompt body is the real, complete prompt — not a summary or a teaser.
• The entry body is plain markdown — no raw HTML (<script>, <iframe>, <style>, <form>, inline event handlers). CI rejects it (§8.5).
• I did NOT set verified_at or status: live — a maintainer sets those during verification (§10.1).
• This is not an ad. A listing that exists to funnel traffic to your product gets closed. Sponsor slots will exist for that — this isn't one.
• If this is someone else's work: author is the original creator, the origin is linked (source_url for a plugin, source_tweets[] for a use case), and scouted_by is me.
• If the source is a YouTube video: primary_source is kind: youtube-video with a youtube.com/watch, youtu.be/ or youtube.com/shorts/ URL, plus the video's real title and channel — those two are required because they are what the page shows if the player never loads. timestamp is optional and is written mm:ss.
• I license this contribution under CC BY 4.0 (attribution: entry author + grokbot.dev).

Where it came from

I'm the founder of Pallyy. The API this entry describes shipped publicly in August 2026: docs at https://pallyy.com/docs/api, feature overview at https://pallyy.com/features/api.

[asimac2001]

Merged and live: https://grokbot.dev/plugins/pallyy/ — verified the API docs match the prompt (social sets, scopes, rate limit all check out) and flipped the entry to live. One note: the favicon mark is pure black, so we baked it onto a dark tile with a light mark to stay visible in both site themes. Thanks for the thorough, docs-accurate submission!