[css-scrollbars-1] Separate privacy and security sections

Author: frivoal

css-scrollbars-1/Overview.bs

@@ -281,6 +281,16 @@ Changes from the <a href="https://www.w3.org/TR/2018/WD-css-scrollbars-1-2018092
 
 This appendix is <em>informative</em>.
 
+<h3 class="no-num" id="security-considerations">Considerations for Security</h3>
+
+	No specific concerns regarding security have been identified for this specification.
+
+<h3 class="no-num" id="privacy-considerations">Considerations for Privacy</h3>
+
+	No specific concerns regarding privacy have been identified for this specification.
+
+<h3 class="no-num" id="security-privacy-self-review">Self-review questionaire</h3>
+
 Per the <a href="https://www.w3.org/TR/security-privacy-questionnaire/#questions">
 Self-Review Questionnaire: Security and Privacy: Questions to Consider</a>