Safesearch default value to "Moderate"

    twitter_url: https://twitter.com/Searx_engine

search:

    safe_search : 0 # Filter results. 0: None, 1: Moderate, 2: Strict

    safe_search : 1 # Filter results. 0: None, 1: Moderate, 2: Strict

    autocomplete : "duckduckgo" # Existing autocomplete backends: "dbpedia", "duckduckgo", "google", "startpage", "wikipedia" - leave blank to turn it off by default

    default_lang : "" # Default search language - leave blank to detect from browser information or use codes from 'languages.py'

    ban_time_on_fail : 5 # ban time in seconds after engine errors