Converted the javascript to typescript for help with the developing, ty to the [foundry-vtt-types](https://github.com/League-of-Foundry-Developers/foundry-vtt-types) project.

module/lang/en.json

@@ -0,0 +1,42 @@
+{
+    "smart-doors": {
+		"settings": {
+			"doorControlOutline": {
+				"name": "Door Control Outline",
+				"hint": "Draw outlines around Door Control icons to increase their visiblity"
+			},
+			"doorControlSizeFactor": {
+				"name": "Door Control Size Factor",
+				"hint": "Defines by which factor the size of the door control icons should be scaled up"
+			},
+			"highlightSecretDoors": {
+				"name": "Tint Secret Doors",
+				"hint": "Shade secret doors in a different color on the gm screen to differentiate them from normal doors"
+			},
+			"lockedDoorAlert": {
+				"name": "Locked Door Alert",
+				"hint": "Send a message in chat when a player tried to open a locked door"
+			},
+			"synchronizedDoors": {
+				"name": "Synchronized Doors",
+				"hint": "Synchronize the state of configured doors"
+			},
+			"toggleSecretDoors": {
+				"name": "Toggle Secret Doors",
+				"hint": "Toggle the door type between normal and secret using ctrl+left click"
+			}
+		},
+		"ui": {
+			"messages": {
+				"migrating": "Migrating Smart Doors to version {version}. Please don't close the application.",
+				"migrationDone": "Smart Doors successfully migrated to version {version}.",
+				"unknownVersion": "Smart Doors migration failed with the error: Unkown Version {version}. Please report this to the Smart Doors issue tracker. To prevent possible data loss don't use this plugin until this error is fixed."
+			},
+			"synchronizedDoors": {
+				"description": "State changes of doors in the same synchronization group will be synchronized across scenes. Leave blank to disable synchronization for this door.",
+				"groupName": "Synchronization Group",
+				"synchronizeSecretStatus": "Synchronize Secret Status"
+			}
+		}
+	}
+}