Query chain state with SDKs

[brunopgalvao]

📝 Description

Resolves #1178

🔍 Review Preference

Choose one:

• ✅ I have time to handle formatting/style feedback myself
• ⚡ Docs team handles formatting (check "Allow edits from maintainers")

🤖 AI-Ready Docs

If content changed, regenerate AI files:

• ✅ I ran python3 scripts/generate_llms.py
• ⚡ Docs team will regenerate (check "Allow edits from maintainers")

✅ Checklist

• Changes tested
• PaperMoon Style Guide followed

[nhussein11]

Thanks, left some comments

[nhussein11]

Approved but please, @brunopgalvao, after any snippet that has a placeholder like: "INSERT_XYZ", we add a line that says something like: "Ensure to replace INSERT_XYZ with the proper values"

Could you please add those where needed?

[brunopgalvao]

after any snippet that has a placeholder like: "INSERT_XYZ", we add a line that says something like: "Ensure to replace INSERT_XYZ with the proper values"

Done.

[eshaben]

@polkadot-developers/docs-formatting-team this is ready for final review/approval.

[0xlukem]

LGTM

[0xlukem]

LGTM