pythongh-119876: move compiler doc from devguide to InternalDocs

Copy of python/devguide@78fc0d7

Co-Authored-By: Adam Turner <[email protected]>
Co-Authored-By: Adam Turner <[email protected]>
Co-Authored-By: Brett Cannon <[email protected]>
Co-Authored-By: Carol Willing <[email protected]>
Co-Authored-By: Daniel Porteous <[email protected]>
Co-Authored-By: Dennis Sweeney <[email protected]>
Co-Authored-By: Éric Araujo <[email protected]>
Co-Authored-By: Erlend Egeberg Aasland <[email protected]>
Co-Authored-By: Ezio Melotti <[email protected]>
Co-Authored-By: Georg Brandl <[email protected]>
Co-Authored-By: Guido van Rossum <[email protected]>
Co-Authored-By: Hugo van Kemenade <[email protected]>
Co-Authored-By: Irit Katriel <[email protected]>
Co-Authored-By: Jeff Allen <[email protected]>
Co-Authored-By: Jim Fasarakis-Hilliard <[email protected]>
Co-Authored-By: Ken Jin <[email protected]>
Co-Authored-By: Lincoln <[email protected]>
Co-Authored-By: Mariatta <[email protected]>
Co-Authored-By: Muhammad Mahad <[email protected]>
Co-Authored-By: Ned Deily <[email protected]>
Co-Authored-By: Pablo Galindo Salgado <[email protected]>
Co-Authored-By: Serhiy Storchaka <[email protected]>
Co-Authored-By: Stéphane Wirtel <[email protected]>
Co-Authored-By: Suriyaa ✌️️ <[email protected]>
Co-Authored-By: Zachary Ware <[email protected]>
Co-Authored-By: psyker156 <[email protected]>
Co-Authored-By: slateny <[email protected]>
Co-Authored-By: svelankar <[email protected]>
Co-Authored-By: zikcheng <[email protected]>

Author: 28 people