Added BTF specification (version 2.1.5)
diff --git a/websites/www.eclipse.org-app4mc-hugo/site/content/documentation.md b/websites/www.eclipse.org-app4mc-hugo/site/content/documentation.md
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--- a/websites/www.eclipse.org-app4mc-hugo/site/content/documentation.md
+++ b/websites/www.eclipse.org-app4mc-hugo/site/content/documentation.md
@@ -5,4 +5,11 @@
Documentation for APP4MC will be published soon!
-Sign up on the [mailing list](https://dev.eclipse.org/mailman/listinfo/app4mc-dev "APP4MC mailing list") for the latest news about APP4MC.
\ No newline at end of file
+Sign up on the [mailing list](https://dev.eclipse.org/mailman/listinfo/app4mc-dev "APP4MC mailing list") for the latest news about APP4MC.
+
+
+---
+### Related Standards
+---
+
+[BTF Specification V2.1.5](../docu/standards/TA_BTF_Specification_2.1.5.pdf)
diff --git a/websites/www.eclipse.org-app4mc-hugo/site/static/docu/standards/TA_BTF_Specification_2.1.5.pdf b/websites/www.eclipse.org-app4mc-hugo/site/static/docu/standards/TA_BTF_Specification_2.1.5.pdf
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+++ b/websites/www.eclipse.org-app4mc-hugo/site/static/docu/standards/TA_BTF_Specification_2.1.5.pdf
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