docs: add TakoAPI directory badge

[oratis]

Hi! 👋 potpie is listed in the TakoAPI open agent directory — a free, open catalog that helps people discover AI-agent projects ("one API to discover all agents").

Your listing: https://takoapi.com/agents/potpie-ai-potpie

This PR adds a small badge near the top of the README that links back to that listing, so visitors can find the directory entry. It's entirely optional — if you'd prefer not to include it, just close this PR (no hard feelings, and apologies for the noise).

No tracking and no obligations. Thanks for building potpie! 🙏

[coderabbitai]

📝 Walkthrough

Summary by CodeRabbit

• New Features
  • Added a “Listed on TakoAPI” badge to the top of the README, linking to the project’s TakoAPI agent page.

Walkthrough

Added a new "Listed on TakoAPI" badge at the top of README.md, linking to the TakoAPI agent page for potpie-ai-potpie.

Changes

README Badge Update

Layer / File(s)	Summary
Add TakoAPI badge README.md	Inserted a new badge/link at the top of the README pointing to the TakoAPI agent page.

Possibly related PRs

• potpie-ai/potpie#294: Also modifies README.md to add a new badge/link section in the same location.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the README badge addition for the TakoAPI directory.
Description check	✅ Passed	The description matches the README-only badge change and explains its purpose accurately.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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Warning

⚠️ This pull request has been flagged as potential spam (promotional) by CodeRabbit slop detection and should be reviewed carefully.

[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@README.md`:
- Around line 1-2: The README currently starts with the badge image link instead
of the top-level heading, which will trip markdownlint. Move the badge below the
main H1 so the document begins with the heading and keep the badge placement
under the title in README.md.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Repository UI (base), Organization UI (inherited)

Review profile: ASSERTIVE

Plan: Pro

Run ID: 5151231b-fc0a-485b-a9f5-8d46c9b79d4c

📥 Commits

Reviewing files that changed from the base of the PR and between a6ae3da and a73d70f.

📒 Files selected for processing (1)

• README.md

[coderabbitai]

📐 Maintainability & Code Quality | 🟡 Minor | ⚡ Quick win

Move the badge below the top-level heading.

markdownlint will flag this because the README now starts with an image link instead of an H1. Keep the badge under the main heading so the doc stays lint-clean.

🧰 Tools

🪛 markdownlint-cli2 (0.22.1)

[warning] 1-1: First line in a file should be a top-level heading

(MD041, first-line-heading, first-line-h1)

🤖 Prompt for AI Agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@README.md` around lines 1 - 2, The README currently starts with the badge
image link instead of the top-level heading, which will trip markdownlint. Move
the badge below the main H1 so the document begins with the heading and keep the
badge placement under the title in README.md.

Source: Linters/SAST tools