Add tModLoader module (#90)

* Add tModLoader module

* Remove diplicate envvars line

* Add seed as formattedarg

* lowercase names

* lowercase fetch

* use kvp merging

* fix capitalisation

* add adminmethod to kvp

* fix case typo, remove unused ports

* include world in commandline

tmodloadermetaconfig.json

@@ -0,0 +1,8 @@
+[
+	{
+		"ConfigFile": "tmodloaderserverconfig.txt",
+		"AutoMap": true,
+		"ConfigType": "kvp",
+		"ConfigFormat": "{0}={1}"
+	}
+]