add F# support

test/resources/repos/fsharp/test_repo/Program.fs

@@ -0,0 +1,37 @@
+module Program
+
+open Calculator
+open Models
+
+[<EntryPoint>]
+let main argv =
+    printfn "Hello, F# World!"
+    
+    // Test calculator functions
+    let result1 = add 5 3
+    printfn "5 + 3 = %d" result1
+    
+    let result2 = subtract 10 4
+    printfn "10 - 4 = %d" result2
+    
+    let result3 = multiply 6 7
+    printfn "6 * 7 = %d" result3
+    
+    let result4 = divide 15 3
+    printfn "15 / 3 = %.2f" result4
+    
+    // Test calculator class
+    let calc = CalculatorClass()
+    let classResult = calc.Add(20, 5)
+    printfn "Calculator class: 20 + 5 = %d" classResult
+    
+    // Test person module
+    let person = PersonModule.createPerson "Alice Smith" 25 (Some "alice@example.com")
+    printfn "Person: %s" (PersonModule.getDisplayName person)
+    printfn "Is adult: %b" (PersonModule.isAdult person)
+    
+    // Test factorial
+    let fact5 = factorial 5
+    printfn "5! = %d" fact5
+    
+    0 // return success