Added different colors for different levels

[ShouryaMishra2006]

changed the home/templates/dashboard/index.html file

        <td>
            <a class="btn btn-rounded 
                {% if issue.get_level_display == 'Hard' %}
                    btn-danger
                {% elif issue.get_level_display == 'Medium' %}
                    btn-warning
                {% elif issue.get_level_display == 'Easy' %}
                    btn-success
                {% else %}
                    btn-info
                {% endif %}
                mt-0" data-mdb-toggle="tooltip" title="Level">{{ issue.get_level_display }}
            </a>
        </td>

added screenshot for clearance please let me know if there will be any issues

[meisabhishekpatel]

seems fine