Valid content filter, language detect on min chars, fetch missingkids.org

app_urls/README.md

@@ -96,6 +96,9 @@ FETCHER_GNEWS_DECODE_SLEEP=2
 FETCHER_GOOGLE_GENERAL_PAGE_ITER_SLEEP=4
 FETCHER_BETWEEN_SEARCHES_SLEEP=5
 FETCHER_URL_HOST_SLEEP=5
+FETCHER_LANGUAGE_DETECTION_MIN_CHAR=100
+
+SELENIUM_ENDPOINT="http://selenium_app:80"
 ```
 
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