Resolve #3. Add Fibonacci algorithm

Language/Kotlin/FibonacciOnCorutine.kt

@@ -0,0 +1,17 @@
+val fibonacci = sequence {
+    var current = BigDecimal(1)
+    var next = BigDecimal(1)
+    yield(current)
+    while (true) {
+        yield(next)
+        val tmp = current + next
+        current = next
+        next = tmp
+    }
+}
+
+fun main(args: Array<String>) {
+    val limit = args.elementAtOrNull(1)?.toIntOrNull() ?: 100_000
+    println(fibonacci.take(limit).last())
+}
+