chore: disable slf4j warning at startup

Author: sureshg

backend/jvm/src/main/kotlin/dev/suresh/App.kt

@@ -53,6 +53,7 @@ fun initProps() {
 
   System.setProperty("jdk.tls.maxCertificateChainLength", "15")
   System.setProperty("jdk.includeInExceptions", "hostInfo")
+  System.setProperty("slf4j.internal.verbosity", "WARN")
   System.setProperty("LOG_DIR", logDir)
 
   println("⚡ ${BuildConfig.description} v${BuildConfig.version} ⚡")