add a lot of kdocs

src/commonMain/kotlin/AutoLoggers.kt

@@ -1,8 +1,20 @@
 package dev.inmo.kslog.common
 
+/**
+ * Creating base tag using class simple name of receiver
+ *
+ * @throws IllegalStateException If there is no opportunity to take simple name of receiver class
+ */
 val Any.logTag
     get() = this::class.simpleName ?: error("Unable to retrieve log tag")
+
+/**
+ * Creating [TagLogger] with [logTag] as base tag
+ */
 val Any.logger: KSLog
     get() = TagLogger(logTag)
 
+/**
+ * Creating [TagLogger] using [logger] extension property with [tagBase] as `this`
+ */
 fun taggedLogger(tagBase: Any): KSLog = tagBase.logger