Add multilingual language and systems learning tracks

tl/pascal-practice-20261101/lesson-2/main.pas

@@ -0,0 +1,9 @@
+program AgilaStudy;
+{$mode objfpc}{$H+}{$assertions on}
+
+type StudyPlan = record Total, Done: Integer; end;
+var Plan: StudyPlan;
+begin
+  Plan.Total := 4; Plan.Done := 1;
+  writeln(Plan.Total - Plan.Done);
+end.