[editorial] Add Hugo front-matter path base (#3862)

- Contributes to
open-telemetry/opentelemetry.io#3922
- Either updates or adds `path_base_for_github_subdir` to selected page
front matter

/cc @theletterf @svrnm

specification/README.md

@@ -5,8 +5,11 @@ cascade:
   body_class: otel-docs-spec
   github_repo: &repo https://github.com/open-telemetry/opentelemetry-specification
   github_subdir: specification
-  path_base_for_github_subdir: content/en/docs/specs/otel/
+  path_base_for_github_subdir: tmp/otel/specification
   github_project_repo: *repo
+path_base_for_github_subdir:
+  from: tmp/otel/specification/_index.md
+  to: README.md
 --->
 
 # OpenTelemetry Specification

specification/baggage/README.md

@@ -1 +1,7 @@
+<!--- Hugo front matter used to generate the website version of this page:
+path_base_for_github_subdir:
+  from: tmp/otel/specification/baggage/_index.md
+  to: baggage/README.md
+--->
+
 # Baggage

specification/common/README.md

@@ -1,6 +1,9 @@
 <!--- Hugo front matter used to generate the website version of this page:
 linkTitle: Common concepts
 aliases: [/docs/reference/specification/common/common]
+path_base_for_github_subdir:
+  from: tmp/otel/specification/common/_index.md
+  to: common/README.md
 --->
 
 # Common specification concepts

specification/compatibility/README.md

@@ -1 +1,7 @@
+<!--- Hugo front matter used to generate the website version of this page:
+path_base_for_github_subdir:
+  from: tmp/otel/specification/compatibility/_index.md
+  to: compatibility/README.md
+--->
+
 # Compatibility

specification/configuration/README.md

@@ -1 +1,7 @@
+<!--- Hugo front matter used to generate the website version of this page:
+path_base_for_github_subdir:
+  from: tmp/otel/specification/configuration/_index.md
+  to: configuration/README.md
+--->
+
 # Configuration

specification/context/README.md

@@ -1,5 +1,8 @@
 <!--- Hugo front matter used to generate the website version of this page:
 aliases: [/docs/reference/specification/context/context]
+path_base_for_github_subdir:
+  from: tmp/otel/specification/context/_index.md
+  to: context/README.md
 --->
 
 # Context

specification/logs/README.md

@@ -1,6 +1,9 @@
 <!--- Hugo front matter used to generate the website version of this page:
 linkTitle: Logs
 aliases: [/docs/reference/specification/logs/overview]
+path_base_for_github_subdir:
+  from: tmp/otel/specification/logs/_index.md
+  to: logs/README.md
 --->
 
 # OpenTelemetry Logging

specification/metrics/README.md

@@ -1,5 +1,8 @@
 <!--- Hugo front matter used to generate the website version of this page:
 linkTitle: Metrics
+path_base_for_github_subdir:
+  from: tmp/otel/specification/metrics/_index.md
+  to: metrics/README.md
 --->
 
 # OpenTelemetry Metrics

specification/metrics/sdk_exporters/README.md

@@ -1,5 +1,8 @@
 <!--- Hugo front matter used to generate the website version of this page:
 linkTitle: Exporters
+path_base_for_github_subdir:
+  from: tmp/otel/specification/metrics/sdk_exporters/_index.md
+  to: metrics/sdk_exporters/README.md
 --->
 
 # Metrics Exporters

specification/protocol/README.md

@@ -1,5 +1,8 @@
 <!--- Hugo front matter used to generate the website version of this page:
 linkTitle: Protocol
+path_base_for_github_subdir:
+  from: tmp/otel/specification/protocol/_index.md
+  to: protocol/README.md
 --->
 
 # OpenTelemetry Protocol

specification/resource/README.md

@@ -1 +1,7 @@
+<!--- Hugo front matter used to generate the website version of this page:
+path_base_for_github_subdir:
+  from: tmp/otel/specification/resource/_index.md
+  to: resource/README.md
+--->
+
 # Resource

specification/schemas/README.md

@@ -1,6 +1,9 @@
 <!--- Hugo front matter used to generate the website version of this page:
 linkTitle: Schemas
 aliases: [/docs/reference/specification/schemas/overview]
+path_base_for_github_subdir:
+  from: tmp/otel/specification/schemas/_index.md
+  to: schemas/README.md
 --->
 
 # Telemetry Schemas

specification/trace/README.md

@@ -1 +1,7 @@
+<!--- Hugo front matter used to generate the website version of this page:
+path_base_for_github_subdir:
+  from: tmp/otel/specification/trace/_index.md
+  to: trace/README.md
+--->
+
 # Trace

specification/trace/sdk_exporters/README.md

@@ -1,5 +1,8 @@
 <!--- Hugo front matter used to generate the website version of this page:
 linkTitle: Exporters
+path_base_for_github_subdir:
+  from: tmp/otel/specification/trace/sdk_exporters/_index.md
+  to: trace/sdk_exporters/README.md
 --->
 
 # Trace Exporters