Enable basic spell check for Kotlin

#KT-4272 Fixed

idea/testData/checker/infos/Autocasts.kt

@@ -176,7 +176,7 @@ fun returnFunctionLiteral(<info>a</info>: Any?): Function0<Int> =
     if (<info>a</info> is Int) { (): Int -> <info descr="Automatically cast to jet.Int"><info>a</info></info> }
     else { () -> 1 }
 
-fun mergeAutocasts(a: Any?) {
+fun merge<TYPO descr="Typo: In word 'Autocasts'">Autocasts</TYPO>(a: Any?) {
   if (a is String || a is Int) {
     a.<error descr="[UNRESOLVED_REFERENCE] Unresolved reference: compareTo">compareTo</error>("")
     <info descr="Automatically cast to jet.Any">a</info>.toString()

idea/testData/checker/infos/Typos.kt

@@ -0,0 +1,10 @@
+package kara.internal
+
+/* Test <TYPO descr="Typo: In word 'somthing'">somthing</TYPO> */
+class <TYPO descr="Typo: In word 'Moree'">Moree</TYPO>Fun {
+  fun <TYPO descr="Typo: In word 'wrte'">wrte</TYPO>() {
+    val <TYPO descr="Typo: In word 'childen'">childen</TYPO> = 12
+    val <warning descr="[UNUSED_VARIABLE] Variable 'come' is never used">come</warning> = childen
+    wrte()
+  }
+}