Terraria Updates (#326)

* Terraria Updates

This updates the ports to the new method, changes the child process for Linux, displays a suggestion for Docker on Windows, and includes a default .backupExclude file.

* Whoopsies

terrariaconfig.json

@@ -485,5 +485,21 @@
         },
         "IncludeInCommandLine": false,
         "DefaultValue": "2"
+    },
+    {
+        "DisplayName":"Download Backup Exclude File",
+        "Category":"SteamCMD and Updates",
+        "Description":"This downloads a default backup exclude file to save space on backups by only saving specific directories. If this is disabled, you will need to manually delete the .backupExclude file it downloads.",
+        "Keywords":"download,backup,exclude,file",
+        "FieldName":"backupExclude",
+        "InputType":"checkbox",
+        "IsFlagArgument":false,
+        "ParamFieldName":"backupExclude",
+        "IncludeInCommandLine":false,
+        "DefaultValue":"true",
+        "EnumValues":{
+            "False": "false",
+            "True": "true"
+        }
     }
 ]