Merge branch 'config+' of nek0/yammat into nix

nixos-module.nix

@@ -18,6 +18,12 @@ in
       default = "yammat";
       description = "System group to run Yammat";
     };
+
+    config = mkOption {
+      type = types.lines
+      default = builtins.readFile ./config/settings.yml;
+      description = "Configuration for Yammat";
+    };
   };
 
   config = lib.mkIf cfg.enable {
@@ -54,8 +60,13 @@ in
         User = cfg.user;
         Group = cfg.group;
         WorkingDirectory = yammat;
-        ExecStart = "${yammat}/bin/yammat";
+        ExecStart = "${yammat}/bin/yammat /etc/yammat.yml";
       };
     };
+
+    environment.etc."yammat.yml" = {
+      enable = true;
+      text = cfg.config;
+    };
   };
 }