✏️ Fix typo, simplify single quote/apostrophe character in "Sister Margaret's" everywhere in the docs (#721)

docs/img/tutorial/many-to-many/many-to-many.drawio

@@ -103,7 +103,7 @@
                 <mxCell id="56" value="&lt;span style=&quot;font-family: &amp;#34;roboto&amp;#34; ; font-size: 18px&quot;&gt;Z-Force&lt;/span&gt;" style="shape=partialRectangle;html=1;whiteSpace=wrap;connectable=0;top=0;left=0;bottom=0;right=0;overflow=hidden;fillColor=#e1d5e7;strokeColor=#9673a6;" parent="54" vertex="1">
                     <mxGeometry x="50" width="110" height="50" as="geometry"/>
                 </mxCell>
-                <mxCell id="57" value="&lt;p style=&quot;line-height: 19px&quot;&gt;&lt;font face=&quot;Roboto&quot; data-font-src=&quot;https://fonts.googleapis.com/css?family=Roboto&quot; style=&quot;font-size: 18px&quot;&gt;Sister Margaret’s Bar&lt;/font&gt;&lt;/p&gt;" style="shape=partialRectangle;html=1;whiteSpace=wrap;connectable=0;top=0;left=0;bottom=0;right=0;overflow=hidden;fillColor=#e1d5e7;strokeColor=#9673a6;" parent="54" vertex="1">
+                <mxCell id="57" value="&lt;p style=&quot;line-height: 19px&quot;&gt;&lt;font face=&quot;Roboto&quot; data-font-src=&quot;https://fonts.googleapis.com/css?family=Roboto&quot; style=&quot;font-size: 18px&quot;&gt;Sister Margaret's Bar&lt;/font&gt;&lt;/p&gt;" style="shape=partialRectangle;html=1;whiteSpace=wrap;connectable=0;top=0;left=0;bottom=0;right=0;overflow=hidden;fillColor=#e1d5e7;strokeColor=#9673a6;" parent="54" vertex="1">
                     <mxGeometry x="160" width="200" height="50" as="geometry"/>
                 </mxCell>
                 <mxCell id="69" value="&lt;font face=&quot;Roboto&quot; data-font-src=&quot;https://fonts.googleapis.com/css?family=Roboto&quot; style=&quot;font-size: 18px&quot;&gt;heroteamlink&lt;/font&gt;" style="shape=table;html=1;whiteSpace=wrap;startSize=30;container=1;collapsible=0;childLayout=tableLayout;fontStyle=1;align=center;fillColor=#FFFFFF;swimlaneFillColor=#ffffff;" vertex="1" parent="1">