Merge pull request #369 from Nishanth-GH/master

Wrote Hello world in PL/I programming language

p/hello_world.pl1

@@ -0,0 +1,4 @@
+World: Procedure options(main);
+          Put List( 'Hello world' );
+
+          End World;

q/Qbasic.bas

@@ -0,0 +1,2 @@
+
+PRINT "hello world"