feat(os): add locale API (#391)

Cargo.lock

@@ -4895,6 +4895,16 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "sys-locale"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea0b9eefabb91675082b41eb94c3ecd91af7656caee3fb4961a07c0ec8c7ca6f"
+dependencies = [
+ "libc",
+ "windows-sys 0.45.0",
+]
+
 [[package]]
 name = "system-deps"
 version = "6.0.4"
@@ -5271,6 +5281,7 @@ dependencies = [
  "os_info",
  "serde",
  "serde_json",
+ "sys-locale",
  "tauri",
  "thiserror",
 ]