rizin: add module

This adds a basic module for rizin which supports creating a basic
rizinrc for configuration.

modules/programs/rizin.nix

@@ -0,0 +1,44 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+let
+  cfg = config.programs.rizin;
+in
+{
+  meta.maintainers = [
+    lib.hm.maintainers.rsahwe
+  ];
+
+  options = {
+    programs.rizin = {
+      enable = lib.mkEnableOption "Rizin";
+
+      package = lib.mkPackageOption pkgs "rizin" { nullable = true; };
+
+      extraConfig = lib.mkOption {
+        type = lib.types.lines;
+        default = "";
+        example = ''
+          e asm.bytes=true
+          e asm.bytes.space=true
+        '';
+        description = ''
+          Run configuration written to {file}`rizinrc`.
+          See <https://book.rizin.re/src/configuration/initial_scripts.html>
+          for more information.
+        '';
+      };
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    home.packages = lib.mkIf (cfg.package != null) [ cfg.package ];
+
+    xdg.configFile."rizin/rizinrc" = lib.mkIf (cfg.extraConfig != "") {
+      text = cfg.extraConfig;
+    };
+  };
+}