update docs on code change

Imported from github/awesome-copilot (MIT, commit 613efc8). This instruction was written by its upstream contributors and has not been reviewed by AI Development Hub. See the bundled LICENSE.

Automatically update README.md and documentation files when application code changes require documentation updates

Scope: **/*.{md,js,mjs,cjs,ts,tsx,jsx,py,java,cs,go,rb,php,rs,cpp,c,h,hpp}