KT-5044 implement missing Range#contains tests and move it to separate package

compiler/testData/codegen/box/ranges/contains/inRangeWithImplicitReceiver.kt

@@ -0,0 +1,19 @@
+// WITH_RUNTIME
+
+fun Long.inLongs(l: Long, r: Long): Boolean {
+    return this in l..r
+}
+
+fun Double.inDoubles(l: Double, r: Double): Boolean {
+    return this in l..r
+}
+
+fun box(): String {
+    assert(2L.inLongs(1L, 3L))
+    assert(!2L.inLongs(0L, 1L))
+
+    assert(2.0.inDoubles(1.0, 3.0))
+    assert(!2.0.inDoubles(0.0, 1.0))
+
+    return "OK"
+}