Solve SL4FJ warnings

SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.

Author: jmfayard

kotlin-jvm/build.gradle.kts

@@ -57,6 +57,7 @@ dependencies {
     implementation("org.kodein.di:kodein-di:_")
     implementation("org.koin:koin-core:_")
     implementation("org.nield:kotlin-statistics:_")
+    implementation("org.slf4j:slf4j-simple:_")
     // Keep dependencies sorted to minimize merge conflicts on pull-requests!
     implementation(JakeWharton.picnic)
     implementation(JakeWharton.retrofit2.converter.kotlinxSerialization)

versions.properties

@@ -239,6 +239,17 @@ version.org.koin..koin-core=2.2.2
 
 version.org.nield..kotlin-statistics=1.2.1
 
+version.org.slf4j..slf4j-simple=1.7.31
+##                  # available=1.8.0-alpha0
+##                  # available=1.8.0-alpha1
+##                  # available=1.8.0-alpha2
+##                  # available=1.8.0-beta0
+##                  # available=1.8.0-beta1
+##                  # available=1.8.0-beta2
+##                  # available=1.8.0-beta4
+##                  # available=2.0.0-alpha0
+##                  # available=2.0.0-alpha1
+
 version.retrofit2=2.9.0
 
  version.spek=2.0.13