apply markdownlint

Signed-off-by: a-maumau <[email protected]>

autoware_dependency_checker/README.md

@@ -3,7 +3,7 @@
 This package provides a script for checking whether each package's dependencies listed in a package.xml are used or not.
 Currently, it mainly checks packages that start with `autoware_`.
 
-### Depedency Checking
+## Depedency Checking
 
 The script will try to match the dependencies and the headers by reading the dependencies listed in package.xml and the included headers in the source files.
 
@@ -16,9 +16,9 @@ The following table shows the matching between dependency names and headers:
 | autoware\_\*\_msgs | autoware\_\*\_msgs | For messages                      |
 | autoware_other_pkg | autoware_other_pkg | E.g. autoware_lanelet2_extension  |
 
-# Usage
+## Usage
 
-```
+```Text
 # build
 $ cd to/autoware_tools
 $ colcon build --symlink-install --cmake-args --packages-up-to autoware_dependency_checker