Initial data commit

Task/Include-a-file/Ada/include-a-file.ada

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+with Ada.Text_IO, Another_Package; use Ada.Text_IO;
+  -- the with-clause tells the compiler to include the Text_IO package from the Ada standard
+  -- and Another_Package. Subprograms from these packages may be called as follows:
+  --               Ada.Text_IO.Put_Line("some text");
+  --               Another_Package.Do_Something("some text");
+  -- The use-clause allows the program author to write a subprogram call shortly as
+  --               Put_Line("some text");