refactor: implement intermediate mySecrets options

modules/secrets-scheme.nix

@@ -0,0 +1,28 @@
+{ lib, ... }:
+
+with lib;
+
+{
+  options.mySecrets = {
+    forgejoDb = mkOption {
+      type = types.str;
+      description = "Forgejo Database Password";
+    };
+    stalwartAdmin = mkOption {
+      type = types.str;
+      description = "Stalwart Mail Admin Password";
+    };
+    searxKey = mkOption {
+      type = types.str;
+      description = "Searx Secret Key";
+    };
+    minecraftRcon = mkOption {
+      type = types.str;
+      description = "Minecraft RCON Password";
+    };
+    tailscaleKey = mkOption {
+      type = types.str;
+      description = "Tailscale Auth Key";
+    };
+  };
+}