handling of invalid api key

Author: cibere

README.md

@@ -2,3 +2,4 @@
 This is a plugin for [Flow Launcher](https://github.com/Flow-Launcher/Flow.Launcher) that lets you easily see the definitions of words using [wordnik](https://wordnik.com).
 
 ## Get an API Key
+To get an API key, head to [developer.wordnik.com](https://developer.wordnik.com/), and create an account. Once you've created your account, you'll be able to fill out a form to request an api key.

SettingsTemplate.yaml

@@ -3,6 +3,7 @@ body:
     attributes:
       name: api_key
       label: Wordnik API Key
+      description: Head to https://developer.wordnik.com to get your API key.
   - type: checkbox
     attributes:
       name: use_canonical

main.py

@@ -117,6 +117,8 @@ def query(self, query: str):
         }
         headers = {"Accept": "application/json"}
         res = requests.get(url, params=params, headers=headers)
+        if res.status_code == 401:
+            return [self.generate_json(title="Error: Invalid API Key", sub="Click ENTER for instructions on how to get a valid API key", callback="open_url", params=['https://github.com/cibere/Flow.Launcher.Plugin.WordNikDictionary?tab=readme-ov-file#get-an-api-key'])]
         res.raise_for_status()
         data = res.json()