Add a How-to guide for the dataframe API (#7727) #3298

Job	Run time
Checks / matrix_prep	3s
Checks / C++ formatting check	3m 7s
Checks / Check links	1m 46s
Checks / Lint markdown	16s
Checks / Rerun lints	35s
Checks / Misc formatting	16s
Checks / Check if running codegen would produce any changes	1m 5s
Checks / Spell Check	7s
Checks / Rust lints (fmt, check, clippy, tests, doc)	4m 34s
Build web viewer / Build web viewer	2m 51s
Checks / Python lints (ruff, mypy, …)	33s
Checks / Test Python Docs	30s
Checks / Test on macOS and Windows	0s
Checks / C++ build & test - Linux x64, C++17	3m 24s
Checks / C++ build & test - Linux x64, C++20	3m 30s
Checks / C++ build & test - Windows x64	5m 45s
Checks / C++ build & test - Mac aarch64	5m 51s
Linux-x64: Build & Upload rerun-cli / Set Config (linux-x64)	2s
Linux-x64: Build & Upload rerun_c / Set Config (linux-x64)	2s
Deploy Docs / Python	2m 4s
Linux-x64: Build & Upload rerun-cli / Build rerun-cli (ubuntu-latest-16-cores)	4m 3s
Linux-x64: Build & Upload rerun_c / Build rerun_c (ubuntu-latest-16-cores)	1m 25s
Deploy Docs / Rust	3m 29s
Upload Web / Upload web build to google cloud (wasm32 + wasm-bindgen)	9s
Linux-x64: Build & Upload Wheels / Set Config (linux-x64)	1s
Linux-x64: Build & Upload Wheels / Build Wheels (ubuntu-latest-16-cores)	4m 47s
Deploy Docs / Cpp	1s
Build Examples	0s
Linux-x64: Test Wheels	0s
Track Sizes	0s
Upload Examples	0s
	50m 16s

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