feat: wire up SLF4J integration

app/src/main/java/app/passwordstore/util/log/LogcatLoggerFactory.kt

@@ -0,0 +1,17 @@
+package app.passwordstore.util.log
+
+import java.util.concurrent.ConcurrentHashMap
+import org.slf4j.ILoggerFactory
+import org.slf4j.Logger
+
+/**
+ * [ILoggerFactory] implementation that passes out instances of [LogcatLogger], maintaining an
+ * internal cache of [Logger]s to avoid duplicate initialization.
+ */
+class LogcatLoggerFactory : ILoggerFactory {
+
+  private val loggers = ConcurrentHashMap<String, Logger>()
+  override fun getLogger(name: String): Logger {
+    return loggers.getOrPut(name) { LogcatLogger(name) }
+  }
+}

app/src/main/java/org/slf4j/impl/StaticLoggerBinder.kt

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+@file:Suppress("Unused")
+
+package org.slf4j.impl
+
+import app.passwordstore.util.log.LogcatLoggerFactory
+import org.slf4j.ILoggerFactory
+import org.slf4j.spi.LoggerFactoryBinder
+
+class StaticLoggerBinder : LoggerFactoryBinder {
+  private val loggerFactory: ILoggerFactory = LogcatLoggerFactory()
+  private val loggerFactoryClassStr = LogcatLoggerFactory::javaClass.name
+
+  override fun getLoggerFactory(): ILoggerFactory {
+    return loggerFactory
+  }
+  override fun getLoggerFactoryClassStr(): String {
+    return loggerFactoryClassStr
+  }
+
+  companion object {
+    @JvmStatic val singleton = StaticLoggerBinder()
+  }
+}

app/src/main/java/org/slf4j/impl/StaticMDCBinder.kt

@@ -0,0 +1,21 @@
+@file:Suppress("Unused")
+
+package org.slf4j.impl
+
+import org.slf4j.helpers.BasicMDCAdapter
+import org.slf4j.spi.MDCAdapter
+
+class StaticMDCBinder {
+
+  fun getMDCA(): MDCAdapter {
+    return BasicMDCAdapter()
+  }
+
+  fun getMDCAdapterClassStr(): String? {
+    return BasicMDCAdapter::class.java.name
+  }
+
+  companion object {
+    @JvmStatic val singleton = StaticMDCBinder()
+  }
+}