Speficy language for some code-blocks and use ini where appropriate (#5399)

https://pygments.org/docs/lexers/#pygments.lexers.configs.IniLexer

Signed-off-by: Christophe Bedard <[email protected]>
(cherry picked from commit acbb89e)

Author: christophebedard

source/How-To-Guides/Developing-a-ROS-2-Package.rst

@@ -90,7 +90,7 @@ More details on distribution can be found in the `official documentation <https:
 
 In your ROS 2 package, you should have a ``setup.cfg`` file which looks like:
 
-.. code-block:: bash
+.. code-block:: ini
 
    [develop]
    script_dir=$base/lib/<package-name>

source/How-To-Guides/Migrating-from-ROS1/Migrating-CPP-Package-Example.rst

@@ -324,7 +324,7 @@ Changing the CMake code
 
 Require a newer version of CMake so that ``ament_cmake`` functions work correctly.
 
-.. code-block::
+.. code-block:: cmake
 
    cmake_minimum_required(VERSION 3.14.4)
 

source/How-To-Guides/Migrating-from-ROS1/Migrating-Python-Package-Example.rst

@@ -382,7 +382,7 @@ Create a ``setup.cfg`` file next to the ``package.xml``.
 
 Put the following content into it:
 
-.. code-block::
+.. code-block:: ini
 
     [develop]
     script_dir=$base/lib/talker_py

source/Tutorials/Beginner-Client-Libraries/Writing-A-Simple-Py-Publisher-And-Subscriber.rst

@@ -264,7 +264,7 @@ Don't forget to save.
 
 The contents of the ``setup.cfg`` file should be correctly populated automatically, like so:
 
-.. code-block:: console
+.. code-block:: ini
 
   [develop]
   script_dir=$base/lib/py_pubsub