fix some file extensions

Task/Binary-search/MAXScript/binary-search-1.max

@@ -0,0 +1,25 @@
+fn binarySearchIterative arr value =
+(
+    lower = 1
+    upper = arr.count
+    while lower <= upper do
+    (
+        mid = (lower + upper) / 2
+        if arr[mid] > value then
+        (
+            upper = mid - 1
+        )
+        else if arr[mid] < value then
+        (
+            lower = mid + 1
+        )
+        else
+        (
+            return mid
+        )
+    )
+    -1
+)
+
+arr = #(1, 3, 4, 5, 6, 7, 8, 9, 10)
+result = binarySearchIterative arr 6