WASM plugins, scripting, i18n, GUI pan/zoom, cargo-dist CI/CD

- WASM plugin host (wasmtime 46, 17 host fns) + example noisemap plugin
- Rhai scripting engine (12 API fns, `terrafier run` cmd)
- i18n: en/ru translations, auto-detect, t! macro
- GUI: pan (click-drag) + zoom (scroll wheel) with viewport transform
- cargo-dist 0.31: MSI/pkg/shell installers, both binaries
- CI: .github/workflows/ci.yml + release.yml
- Security: wasmtime 30→46, bincode 1.3→2.0, quick-xml CVE docs
- Code review: SAFETY comments, unwrap→match cleanup
- Fixes: clippy approx_constant, needless_borrows, rustfmt

gui/Cargo.toml

@@ -3,8 +3,16 @@ name = "terrafier-gui"
 version.workspace = true
 edition.workspace = true
 license.workspace = true
+repository.workspace = true
+authors.workspace = true
 description = "Native GUI for Terrafier — interactive world painting with GPU rendering"
 
+[package.metadata.wix]
+upgrade-guid = "A7365100-6923-4DAC-B4A5-2BD817EB802B"
+path-guid = "097E8AD4-180B-4B52-8BFE-04AA942D03A6"
+license = false
+eula = false
+
 [dependencies]
 terrafier-core = { path = "../core" }
 anyhow.workspace = true