feat: add ELF branding

Author: ronaldtse

sources/_common/boilerplate.adoc

@@ -0,0 +1,26 @@
+== copyright-statement
+=== {blank}
+(c) {{ docyear }} EXPRESS Language Foundation.
+
+All rights reserved. Unless otherwise specified, or required in the context of
+its implementation, no part of this publication may be reproduced or utilized
+otherwise in any form or by any means, electronic or mechanical, including
+photocopying, or posting on the internet or an intranet, without prior written
+permission. Permission can be requested from the EXPRESS Language Foundation.
+
+EXPRESS Language Foundation +
+2093 Philadelphia Pike Ste 3311 +
+Claymont, Delaware 19703 +
+USA
+
+E-mail: link:mailto:info@expresslang.org[info@expresslang.org]
+
+Published in the USA
+
+
+== feedback-statement
+
+=== {blank}
+
+[align=center]
+Don't panic, [css color:#3f65a2]#**EXPRESS**#.

sources/annotated-express/document.adoc

@@ -19,6 +19,12 @@
 :givenname_2: Thomas
 :affiliation_2: EXPRESS Language Foundation
 :publisher: ELF
+:docidentifier: ELF 5001:2024
+:boilerplate-authority: ../_common/boilerplate.adoc
+:presentation-metadata-organization-fullname: EXPRESS Language Foundation
+:presentation-metadata-doctype-customized: Standard
+:presentation-metadata-color-secondary: #3f65a2
+:presentation-metadata-backcover-text: expresslang.org
 :data-uri-image:
 :local-cache-only:
 

sources/express-changes/document.adoc

@@ -19,6 +19,12 @@
 :givenname_2: Thomas
 :affiliation_2: EXPRESS Language Foundation
 :publisher: ELF
+:docidentifier: ELF 5005:2025
+:boilerplate-authority: ../_common/boilerplate.adoc
+:presentation-metadata-organization-fullname: EXPRESS Language Foundation
+:presentation-metadata-doctype-customized: Standard
+:presentation-metadata-color-secondary: #3f65a2
+:presentation-metadata-backcover-text: expresslang.org
 :data-uri-image:
 :local-cache-only:
 

sources/express-pretty/document.adoc

@@ -15,6 +15,12 @@
 :givenname: Thomas
 :affiliation: EXPRESS Language Foundation
 :publisher: ELF
+:docidentifier: ELF 5002:2025
+:boilerplate-authority: ../_common/boilerplate.adoc
+:presentation-metadata-organization-fullname: EXPRESS Language Foundation
+:presentation-metadata-doctype-customized: Standard
+:presentation-metadata-color-secondary: #3f65a2
+:presentation-metadata-backcover-text: expresslang.org
 :data-uri-image:
 :local-cache-only:
 

sources/express-schema-manifest/document.adoc

@@ -19,6 +19,12 @@
 :givenname_2: Thomas
 :affiliation_2: EXPRESS Language Foundation
 :publisher: ELF
+:docidentifier: ELF 5004:2024
+:boilerplate-authority: ../_common/boilerplate.adoc
+:presentation-metadata-organization-fullname: EXPRESS Language Foundation
+:presentation-metadata-doctype-customized: Standard
+:presentation-metadata-color-secondary: #3f65a2
+:presentation-metadata-backcover-text: expresslang.org
 :data-uri-image:
 :local-cache-only:
 

sources/expressdocs-migration/document.adoc

@@ -19,6 +19,12 @@
 :givenname_2: Thomas
 :affiliation_2: EXPRESS Language Foundation
 :publisher: ELF
+:docidentifier: ELF 5003:2025
+:boilerplate-authority: ../_common/boilerplate.adoc
+:presentation-metadata-organization-fullname: EXPRESS Language Foundation
+:presentation-metadata-doctype-customized: Standard
+:presentation-metadata-color-secondary: #3f65a2
+:presentation-metadata-backcover-text: expresslang.org
 :data-uri-image:
 :local-cache-only: