Add ModSec rule for Gutenberg template edits

docker/conf/modsecurity/crs/REQUEST-900-EXCLUSION-RULES-BEFORE-CRS.conf

@@ -71,3 +71,12 @@ SecRule REQUEST_URI "@beginsWith /wp-admin/network/settings.php" \
     ctl:ruleRemoveTargetByTag=OWASP_CRS;ARGS:wp-piwik[tracking_code],\
     ctl:ruleRemoveTargetByTag=OWASP_CRS;ARGS:wp-piwik[noscript_code]"
 
+# Gutenberg comments are misinterpreted.
+SecRule REQUEST_URI "@beginsWith /wp-json/wp/v2/template-parts" \
+    "id:1011,\
+    phase:2,\
+    pass,\
+    nolog,\
+    ctl:ruleRemoveTargetByID=932105;ARGS:content,\
+    ctl:ruleRemoveTargetByID=941100;ARGS:content"
+