limit, add readme

README.md

@@ -0,0 +1,13 @@
+# MaubotHeadlines
+
+## Usage
+
+Load plugin and set your NewsAPI.org API key in the config.
+
+Then:
+
+```
+!findheadline Texas man dressed as clown nominates himself for Austin Energy CEO after week of outages: 'Most qualified'
+```
+
+will cause Maubot to reply to you with a link the most popular matching headline.

headlines.py

@@ -10,9 +10,8 @@ def do_update(self, helper: ConfigUpdateHelper) -> None:
         helper.copy("newsapi_api_key")
 
 async def lookup(http, api_key, headline):
-    params = "&".join(f"{k}={v}" for k, v in {"q": headline, "sortBy": "popularity", "apiKey": api_key}.items())
+    params = "&".join(f"{k}={v}" for k, v in {"q": headline, "sortBy": "popularity", "apiKey": api_key, "pageSize": 1}.items())
     url = f"https://newsapi.org/v2/everything?{params}"
-    print(url)
 
     async with http.get(url) as response:
         response = await response.json()