add disambiguating and alternate (original) variants of small 'l'

build.py

@@ -0,0 +1,14 @@
+#!/usr/bin/env python3
+import fontforge
+
+font = fontforge.open("Myna.sfd")
+font.generate("Myna.otf")
+
+if "alt_l" in font:
+    font.selection.select("alt_l")
+    font.copy()
+    font.selection.select("l")
+    font.paste()
+
+font.generate("Myna-alt_l.otf")
+font.close()