inventory: clean up unused modules and submodule names

modules/inventoryClass/meta.nix

@@ -0,0 +1,52 @@
+# This file is imported into:
+# - clan.meta
+# - clan.inventory.meta
+{ lib, ... }:
+let
+  types = lib.types;
+
+  metaOptions = {
+    name = lib.mkOption {
+      type = types.strMatching "[a-zA-Z0-9_-]*";
+      example = "my_clan";
+      description = ''
+        Name of the clan.
+
+        Needs to be (globally) unique, as this determines the folder name where the flake gets downloaded to.
+
+        Should only contain alphanumeric characters, `_` and `-`.
+      '';
+    };
+    description = lib.mkOption {
+      default = null;
+      type = types.nullOr types.str;
+      description = ''
+        Optional freeform description
+      '';
+    };
+    icon = lib.mkOption {
+      default = null;
+      type = types.nullOr types.str;
+      description = ''
+        Under construction, will be used for the UI
+      '';
+    };
+    tld = lib.mkOption {
+      type = types.strMatching "[a-z]+";
+      default = "clan";
+      example = "ccc";
+      description = ''
+        Top level domain (TLD) of the clan. It should be set to a valid, but
+        not already existing TLD.
+
+        It will be used to provide clan-internal services and resolve each host of the
+        clan with:
+
+        <hostname>.<tld>
+      '';
+    };
+  };
+in
+{
+  options = metaOptions;
+}