update shacl 1 to 1.2 core changes

Author: YoucTagh

shacl12-core/index.html

@@ -7936,6 +7936,7 @@ <h2>Changes between SHACL 1.0 Core and SHACL 1.2 Core</h2>
 				<li>Added the new constraint component <a href="#NodeByExpressionConstraintComponent"><code>sh:nodeByExpression</code></a>, see <a href="https://github.com/w3c/data-shapes/issues/408">Issue 408</a></li>
 				<li>Added the new value <code>sh:ByTypes</code> for <a href="#ClosedConstraintComponent"><code>sh:closed</code></a>; see <a href="https://github.com/w3c/data-shapes/issues/172">Issue 172</a></li>
 				<li>The values of <a href="#ClassConstraintComponent"><code>sh:class</code></a> and <a href="#DatatypeConstraintComponent"><code>sh:datatype</code></a> can now also be lists, indicating a union of choices; see <a href="https://github.com/w3c/data-shapes/issues/160">Issue 160</a></li>
+				<li>Added the new constraint component <a href="#ReifierShapeShapeConstraintComponent"><code>sh:ReifierShape</code></a>; see <a href="https://github.com/w3c/data-shapes/issues/300">Issue 300</a></li>
 			</ul>
 		</section>