Add enterprise config support via env vars & Windows registry (#491)

runtime/Cargo.toml

@@ -37,6 +37,7 @@ file-format = "0.27.0"
 calamine = "0.27.0"
 pdfium-render = "0.8.31"
 sys-locale = "0.3.2"
+cfg-if = "1.0.0"
 
 # Fixes security vulnerability downstream, where the upstream is not fixed yet:
 url = "2.5"
@@ -50,5 +51,8 @@ reqwest = { version = "0.12.15", features = ["native-tls-vendored"] }
 # Fixes security vulnerability downstream, where the upstream is not fixed yet:
 openssl = "0.10.72"
 
+[target.'cfg(target_os = "windows")'.dependencies]
+windows-registry = "0.5.2"
+
 [features]
 custom-protocol = ["tauri/custom-protocol"]