Include a self-contained Windows build and portable profiles

docs/standalone-package.md

@@ -1,9 +1,9 @@
-# Standalone Linux package
+# Standalone game packages
 
 `RustRaptor/` contains the Rust executable, its original data catalog, approved
 HD replacements, authored mods, SD/HD mod artwork, sound effects and music.
 Normal play needs no C++ engine, Cargo, Python or source checkout. Run
-`./run.sh`; installed pilots and configuration remain in the user's separate
+`./run.sh` on Linux or `run.cmd` on Windows; installed pilots and configuration remain in the user's separate
 `RaptorReplica` profile directories.
 
 The executable finds its package from `bin/raptor-rust`, including when launched
@@ -27,8 +27,10 @@ dependencies. Unapproved HD drafts, reference screenshots and the Cargo build
 cache are excluded from the zip. The exported `RustRaptor` folder can be moved
 or unpacked anywhere, including paths containing spaces.
 
-The binary targets Linux x86_64. It still uses the operating system's C runtime
-and desktop/audio drivers; this package is not a Windows or macOS executable.
+The Linux binary targets Linux x86_64 and uses the operating system's C runtime
+and desktop/audio drivers. The included Windows x86_64 executable and SDL2 DLL
+use the same data and mods. See [Windows packaging](windows-build.md)
+for its separate launcher, build tool, manifest, zip and validation.
 Source, Cargo.lock, code licenses and mod API documentation are included.
 The packaged executable, runtime libraries, original catalog and approved HD
 artwork are tracked in Git, along with the assembler and authored mod images