fix: Enabled the builtin single instance tauri plugin

src-tauri/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "WVUMedicine_HelpAlert_WebClient"
-version = "1.0.2"
+version = "1.0.3"
 description = "Help Alert Web Client"
 authors = ["James Brotosky <james.brotosky@wvumedicine.org"]
 edition = "2021"
@@ -23,6 +23,7 @@ wry = { path = "../wry" }
 [dependencies]
 tauri = { version = "2", features = ["tray-icon", "devtools"] }
 tauri-plugin-opener = "2"
+tauri-plugin-single-instance = "2"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"