fix docs file structure to work with recent rosdoc2

Author: ottojo

launch/doc/.gitignore

@@ -11,7 +11,10 @@ Welcome to launch's documentation!
    :caption: Contents:
 
    architecture
-   modules
+   Links <__links>
+   Python API <modules>
+   Standard Documents <__standards>
+   ROS Package Dependencies <__ros_package_dependencies>
 
 
 Indices and tables

launch/doc/Makefile

@@ -36,5 +36,6 @@
 
   <export>
     <build_type>ament_python</build_type>
+    <rosdoc2>rosdoc2.yaml</rosdoc2>
   </export>
 </package>

launch/doc/source/architecture.rst launch/doc/architecture.rstlaunch/doc/source/architecture.rst renamed to launch/doc/architecture.rst

@@ -0,0 +1,6 @@
+type: "rosdoc2 config"
+version: 1
+---
+settings: {}
+builders:
+  - sphinx: { sphinx_sourcedir: "doc" }