ADD: added APP-6 Symbols to the Map

node_modules/milsymbol/test/std2525c-ground-unit.test.js

@@ -0,0 +1,9 @@
+import { ms } from "../src/milsymbol";
+ms.reset();
+import { ms2525c } from "mil-std-2525";
+import verify from "./letter-sidc";
+
+import { ground } from "../src/lettersidc";
+ms.addIcons(ground);
+
+export default verify(ms, "MIL-STD-2525C Ground", ms2525c.WAR.GRDTRK_UNT);