* 🚚 Move docs src files to root docs_src
* 🚚 Update example includes from root docs_src
* 🚚 Import docs src examples for tests from docs_src
* ⬆️ Upgrade isort and configs
* 🎨 Update format in testing
* 🔧 Update configs with root docs_src
* 🔥 Remove obsolete/unecessary section in contributing guide
* 🎨 Re-format multi-file example
* ⏪ Revert format for multi-file examples
* 🔧 Add isort skips for multi-file examples
