title: How can i use logical operators with strapi's graphql filtering
body: <p>I'm passing graphql variables like this:</p>
  
  <pre><code>variables: {
    where: {
      league: {
        name_contains: "some league name"
      },
      teams: {
        name_contains: "some teams name"
      }
    }
  }
  </code></pre>
  
  <p>I want either the league's name or teams name or both to exist.
  but my current configuration is set to have both league's name and team's name to exist</p>
  
  <p>the query looks like this:</p>
  
  <pre><code>const SEARCH_QUERY = gql`
    query SEARCH_QUERY($where: JSON) {
      games(where: $where) {
        id
        teams {
          id
          name
        }
        league {
          id
          name
        }
      }
    }
  </code></pre>