Initial data commit

Task/Fibonacci-sequence/Ada/fibonacci-sequence-2.ada

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+with Ada.Text_IO;  use Ada.Text_IO;
+
+procedure Test_Fibonacci is
+   function Fibonacci (N : Natural) return Natural is
+      This : Natural := 0;
+      That : Natural := 1;
+      Sum  : Natural;
+   begin
+      for I in 1..N loop
+         Sum  := This + That;
+         That := This;
+         This := Sum;
+      end loop;
+      return This;
+   end Fibonacci;
+begin
+   for N in 0..10 loop
+      Put_Line (Positive'Image (Fibonacci (N)));
+   end loop;
+end Test_Fibonacci;