adds /somsign U+20C0 "SOM SIGN" (Kyrgyzstan currency symbol). Closes #747

Author: rsms

src/Inter-Italic.glyphspackage/fontinfo.plist

@@ -40,7 +40,7 @@ shapes = (
 ref = obarredcyrillic;
 },
 {
-pos = (-4,0);
+pos = (-3,0);
 ref = dieresiscomb.ss07;
 }
 );