[3.14] GH-133600: Backport file reorg of Tools/wasm/wasi

Author: brettcannon

.github/CODEOWNERS

@@ -302,7 +302,12 @@ Lib/concurrent/futures/interpreter.py  @ericsnowcurrently
 **/*-ios*                     @freakboy3742
 
 # WebAssembly
-/Tools/wasm/                  @brettcannon @freakboy3742
+Tools/wasm/config.site-wasm32-emscripten  @freakboy3742
+/Tools/wasm/README.md         @brettcannon @freakboy3742
+/Tools/wasm/wasi-env          @brettcannon
+/Tools/wasm/wasi_build.py     @brettcannon
+/Tools/wasm/emscripten        @freakboy3742
+/Tools/wasm/wasi              @brettcannon
 
 # SBOM
 /Misc/externals.spdx.json     @sethmlarson

Misc/NEWS.d/next/Tools-Demos/2025-06-25-10-36-22.gh-issue-133600.bkdgHC.rst

@@ -0,0 +1,4 @@
+Backport file reorganization for Tools/wasm/wasi .
+
+This should make backporting future code changes easier. It also simplifies
+instructions around how to do WASI builds in the devguide.

Tools/wasm/wasi-env

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-# NOTE: to be removed once no longer used in https://github.com/python/buildmaster-config/blob/main/master/custom/factories.py .
+# NOTE: to be removed once no longer used in https://github.com/python/buildmaster-config/blob/main/master/custom/factories.py ;
+#       expected in Python 3.18 as 3.13 is when `wasi.py` was introduced.
 
 # function
 usage() {