Add a "Getting started" guide for the dataframe API #13572

Job	Run time
docs-paths-filter	9s
cpp-paths-filter	7s
python-paths-filter	4s
rust-paths-filter	5s
web-paths-filter	3s
Checks / Rerun lints	33s
Checks / Check if running codegen would produce any changes	1m 12s
Checks / Lint markdown	15s
Checks / Spell Check	9s
Checks / Check links	53s
Checks / Misc formatting	20s
Update PR Body / Update PR body	14s
Python Checks / Python lints (ruff, mypy, …)	35s
Python Checks / Test Python Docs	33s
Build web viewer / Build web viewer	2m 8s
Build rerun_js / Build rerun_js	2m 43s
Minimum CLI Build / Set Config (linux-x64)	3s
Rust Checks / Test on macOS and Windows	0s
Rust Checks / Rust lints (fmt, check, clippy, tests, doc)	6m 17s
C++ tests	0s
Deploy Landing Preview / Deploy	10s
Minimum CLI Build / Build rerun-cli (ubuntu-latest-16-cores)	3m 39s
Upload Web / Upload web build to google cloud (wasm32 + wasm-bindgen)	8s
Save PR Summary / Create HTML summary for PR	35s
Minimum Wheel Build / Set Config (linux-x64)	2s
Minimum Wheel Build / Build Wheels (ubuntu-latest-16-cores)	1m 55s
Minimum Wheel Test / Set Config (linux-x64)	2s
Minimum Wheel Test / Test Wheels (ubuntu-latest-16-cores)	3m 49s
	26m 43s

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