Update Risk of Rain 2 (#133)

This updates the following:

1. Runs on WINE
2. Docker capable!
3. Game mode option
4. Updates player join/leave regex using sessionid
5. New ports method

risk-of-rain-2config.json

@@ -53,5 +53,22 @@
             "True": "1",
             "False": "0"
         }
+    },
+    {
+        "DisplayName": "Game Mode",
+        "Category": "Server Settings",
+        "Description": "Select a game mode for the server",
+        "Keywords": "game mode",
+        "FieldName": "gamemode",
+        "InputType": "enum",
+        "IsFlagArgument": false,
+        "ParamFieldName": "gamemode",
+        "IncludeInCommandLine": false,
+        "DefaultValue": "ClassicRun",
+        "EnumValues": {
+            "EclipseRun": "Eclipse",
+            "ClassicRun": "Normal",
+            "InfiniteTowerRun": "Simulacrum"
+        }
     }
 ]