erp5_font: add bold italic font

bt5/erp5_font/SkinTemplateItem/portal_skins/erp5_font/heuristica/Heuristica-BoldItalic.otf.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="File" module="OFS.Image"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>__name__</string> </key>
+            <value> <string>Heuristica-BoldItalic.otf</string> </value>
+        </item>
+        <item>
+            <key> <string>content_type</string> </key>
+            <value> <string>application/octet-stream</string> </value>
+        </item>
+        <item>
+            <key> <string>precondition</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>title</string> </key>
+            <value> <string></string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>

bt5/erp5_font/SkinTemplateItem/portal_skins/erp5_font/heuristica/heuristica.pdf.css.css

@@ -31,3 +31,10 @@ with Reserved Font Name Heuristica.
   font-weight: bold;
   font-style: normal;
 }
+
+@font-face {
+  font-family: 'Heuristica';
+  src: url('heuristica/Heuristica-BoldItalic.otf') format('truetype');
+  font-weight: bold;
+  font-style: italic;
+}