fix: OpenMeteo implementation

src/main/java/eirb/pg203/OpenMeteo.java

@@ -1,5 +1,6 @@
 package eirb.pg203;
 
+import org.json.JSONArray;
 import org.json.JSONObject;
 
 import eirb.pg203.utils.JSONFetcher;
@@ -27,7 +28,8 @@ public class OpenMeteo implements WeatherDataAPI {
 			  )
 	  ).toURL();
 
-    return JSONFetcher.fetch(url);
+	  JSONArray jsonArray = JSONFetcher.fetchArray(url);
+	  return jsonArray.getJSONObject(0);
   }
 
 	private static Condition getConditionFromCode(int WMOCode) {

src/main/java/eirb/pg203/utils/JSONFetcher.java

@@ -6,6 +6,7 @@ import java.io.InputStreamReader;
 import java.net.HttpURLConnection;
 import java.net.URL;
 
+import org.json.JSONArray;
 import org.json.JSONObject;
 
 public class JSONFetcher {
@@ -20,6 +21,22 @@ public class JSONFetcher {
       }
     }
 
+
     return new JSONObject(result.toString());
   }
+
+  public static JSONArray fetchArray(URL url) throws IOException {
+    StringBuilder result = new StringBuilder();
+    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
+    conn.setRequestMethod("GET");
+    try (BufferedReader reader = new BufferedReader(
+            new InputStreamReader(conn.getInputStream()))) {
+      for (String line; (line = reader.readLine()) != null; ) {
+        result.append(line);
+      }
+    }
+
+
+    return new JSONArray(result.toString());
+  }
 }