Add chokidar watcher settings.

src/util/errorTypeCheck.ts

@@ -2,7 +2,9 @@ function errorTypeCheck(passedError: any): ParsedError {
   const errorMessage =
     passedError instanceof Error ? passedError.message : String(passedError);
   const errorStack =
-    passedError instanceof Error ? passedError.stack : "unknown";
+    passedError instanceof Error
+      ? (passedError.stack ?? "")
+      : String(passedError);
 
   return {
     message: errorMessage,

src/util/ipcTypes.json

@@ -2,10 +2,15 @@
   "toMain": {
     "test": "toMain_test",
     "authStateChanged": "toMain_authStateChanged",
+    "watcher": {
+      "start": "toMain_watcher_start",
+      "stop": "toMain_watcher_stop"
+    },
     "settings": {
       "filepaths": {
         "get": "toMain_settings_filepaths_get",
-        "add": "toMain_settings_filepaths_add"
+        "add": "toMain_settings_filepaths_add",
+        "remove": "toMain_settings_filepaths_remove"
       }
     }
   },