docs: mrdocs.yml file patterns

doc/mrdocs.yml

@@ -1,17 +1,30 @@
-verbose: true
-multipage: true
-inaccessible-members: never
-inaccessible-bases: never
-include:
-  - ../include
+# Input
+input:
+  # Directories that contain documented source files
+  include:
+    - ../include
+  # Patterns to filter out the source-files in the directories
+  file-patterns:
+    - '*.hpp'
 source-root: ..
-base-url: https://www.github.com/boostorg/url/blob/develop/include/ # boost/url/url_view.hpp
-generate: adoc
+
+# Filters
 filters:
   symbols:
     exclude:
       - 'boost::urls::detail'
       - 'boost::urls::*::detail'
       - 'boost::empty_'
+inaccessible-members: never
+inaccessible-bases: never
+
+# Generator
+generate: adoc
+base-url: https://www.github.com/boostorg/url/blob/develop/include/ # boost/url/url_view.hpp
+
+# Style
+verbose: true
+multipage: true
+
 # BUILD_TESTING is required for header-only functionality to be extracted
-cmake: '-D BUILD_TESTING=ON -D BOOST_URL_BUILD_EXAMPLES=OFF'
+cmake: '-D BUILD_TESTING=ON -D BOOST_URL_BUILD_EXAMPLES=OFF'