Stopping sending literal errors

Errors now must be of "Error" type.
Rule added in eslint.

back/.eslintrc.json

@@ -25,6 +25,7 @@
     ],
     "rules": {
         "no-unused-vars": "off",
-        "@typescript-eslint/no-explicit-any": "error"
+        "@typescript-eslint/no-explicit-any": "error",
+        "no-throw-literal": "error"
     }
 }