metanorma.yml in metanorma-iho-0.7.11 vs metanorma.yml in metanorma-iho-0.7.12

@@ -16,9 +16,10 @@
 html_bodyfont: '-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji"'
 html_headerfont: '-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji"'
 html_monospacefont: '"Fira Code",Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace'
 html_normalfontsize: "15px"
 html_footnotefontsize: "0.9em"
+boilerplate: lib/metanorma/iho/boilerplate.adoc
 webfont:
   - "https://fonts.googleapis.com/css2?family=Fira+Code&display=swap"
 scripts: lib/isodoc/iho/html/scripts.html
 scripts_pdf: lib/isodoc/iho/html/scripts.pdf.html
 standardstylesheet: lib/isodoc/iho/html/iho.scss