Move spec to be below /reference

.gitignore

@@ -19,6 +19,6 @@ assets/jsconfig.json
 *.iml
 
 # Generated content
-/content/en/docs/specification/**/*.md
-/content/en/docs/specification/**/*.png
-!/content/en/docs/specification/_index.md
+/content/en/docs/reference/specification/**/*.md
+/content/en/docs/reference/specification/**/*.png
+!/content/en/docs/reference/specification/_index.md

content/en/docs/reference/_index.md

@@ -0,0 +1,5 @@
+---
+title: Reference
+weight: 100
+description: Reference material
+---

content/en/docs/specification/_index.md → content/en/docs/reference/specification/_index.md

@@ -4,7 +4,7 @@ no_list: true
 cascade:
   github_repo: &repo https://github.com/open-telemetry/opentelemetry-specification
   github_subdir: specification
-  path_base_for_github_subdir: content/en/docs/specification/
+  path_base_for_github_subdir: content/en/docs/reference/specification/
   github_project_repo: *repo
 # Keep global values for this page. TODO: eliminate these overrides by moving the page into the spec repo.
 github_repo: &repo https://github.com/open-telemetry/opentelemetry.io

scripts/cp-spec-pages.sh

@@ -2,7 +2,7 @@
 
 BASE_DIR=$(dirname $0)
 SPEC=content-modules/opentelemetry-specification/specification
-DEST=content/en/docs/specification
+DEST=content/en/docs/reference/specification
 
 rm -Rf $DEST/[^_]*