Add online playground links to index.rst

[rozhnev]

Add online playground links to online PostgreSQL & PostGIS playgrounds

[coderabbitai]

📝 Walkthrough

Walkthrough

Adds an “Online Playground” subsection to the PostGIS intro docs under “Links to have on hand,” listing links to a PostgreSQL playground and a PostGIS playground with workshop data. No code or API changes.

Changes

Cohort / File(s)	Summary
Docs: PostGIS intro links postgis-intro/sources/en/index.rst	Added “Online Playground” subsection with links to PostgreSQL playground and PostGIS playground (with workshop data); documentation-only update and formatting.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

A rabbit taps keys in a meadow of docs,
New links sprout up like clever little rocks.
Postgres to PostGIS, hop and you’ll see—
A playground awaits for query and geometry.
Thump-thump! I test and cheerfully say:
“Ship it—let’s play SQL today!”

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[coderabbitai]

Actionable comments posted: 0

🧹 Nitpick comments (2)

postgis-intro/sources/en/index.rst (2)

111-114: Nit: pluralize and slightly clarify link labels.

Two items are listed, so consider “Online Playgrounds.” Also, adding the host in parentheses can aid clarity when rendered without URLs.

-* Online Playground
+* Online Playgrounds

-  - PostgreSQL playground - https://sqlize.online/s/4Q
-  - PostGIS playground with workshop data - https://sqlize.online/s/pQ
+  - PostgreSQL playground (sqlize.online) - https://sqlize.online/s/4Q
+  - PostGIS playground with workshop data (sqlize.online) - https://sqlize.online/s/pQ

---

111-114: Document validation date and automate link checks
Both playground URLs return HTTP 302 redirects as of 2025-08-30. Please update the docs to note “links last validated on 2025-08-30” and consider adding the above health-check script to CI to catch future link issues.

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📥 Commits

Reviewing files that changed from the base of the PR and between 049c112 and d84d85f.

📒 Files selected for processing (1)

• postgis-intro/sources/en/index.rst (1 hunks)

🔇 Additional comments (1)

postgis-intro/sources/en/index.rst (1)

111-114: LGTM: helpful addition and consistent with existing list formatting.

Reads well, uses HTTPS, and mirrors the "category + sub-links" pattern used above.