docs(report): initial transfert from typst.app

report/tail/a-appendix.typ

@@ -0,0 +1,10 @@
+#import "/metadata.typ": *
+#pagebreak()
+= #i18n("appendix-title", lang: option.lang) <sec:appendix>
+
+== Gateway sequence diagram <appendix:gateway_seq>
+
+#figure(
+  image("../resources/img/sequence_data_collection.svg"),
+  caption: [Gateway sequence diagram — Data collection]
+) <fig:gateway_sequence_data>