Update README.md with latest json schema (automated)

src/gmhc_config_schema.erl

@@ -2,7 +2,8 @@
 -vsn("0.6.1").
 
 -export([ schema/0
-        , to_json/0 ]).
+        , to_json/0
+        , export/1 ]).
 
 -import(gmconfig_schema_helpers,
         [ str/1
@@ -22,6 +23,17 @@
 to_json() ->
     json:encode(schema()).
 
+export(ToFile) ->
+    case file:open(ToFile, [write]) of
+        {ok, Fd} ->
+            try ok = io:put_chars(Fd, json:format(schema(), #{indent => 4}))
+            after
+                file:close(Fd)
+            end;
+        {error, _} = Error ->
+            Error
+    end.
+
 schema() ->
     obj(schema_init(),
         #{