feat(Apps): Account creation script that isn't worldserver dependent (#14774)

* inital account-create

* fix type

* account-create add gmlevel

* comments and readme

* remove un-used gitignore

apps/account-create/.formatter.exs

@@ -0,0 +1,7 @@
+# Used by "mix format"
+[
+  inputs: [
+    ".formatter.exs",
+    "account.exs"
+  ]
+]