Move MD059 rule to configuration file (#7484)

Author: chong-he

book/.markdownlint.yml

@@ -25,4 +25,8 @@ MD036: false
 
 # MD040 code blocks should have a language specified: https://github.com/DavidAnson/markdownlint/blob/main/doc/md040.md
 # Set to false as the help_x.md files are code blocks without a language specified, which is fine and does not need to change
-MD040: false
+MD040: false
+
+# MD059 Link text should be descriptive: https://github.com/DavidAnson/markdownlint/blob/main/doc/md059.md
+# Set to false because it is too strict
+MD059: false

scripts/mdlint.sh

@@ -5,8 +5,7 @@
 # Run `make mdlint` from the root of the repository instead.
 
 # use markdownlint-cli to check for markdown files
-# NOTE: we disable MD059 (descriptive-link-text) because it is too strict
-docker run --rm -v ./book:/workdir ghcr.io/igorshubovych/markdownlint-cli:latest '**/*.md' --ignore node_modules --disable MD059
+docker run --rm -v ./book:/workdir ghcr.io/igorshubovych/markdownlint-cli:latest '**/*.md' --ignore node_modules
 
 # exit code
 exit_code=$(echo $?)