run markdownlint in github actions (#40)

* run markdownlint in github actions

Signed-off-by: Aylei <[email protected]>

* Revert MD007

Signed-off-by: Aylei <[email protected]>

* Disable MD007 for overview.md

Signed-off-by: Aylei <[email protected]>

Author: Aylei

.github/workflows/ci.yaml

@@ -15,3 +15,8 @@ jobs:
       uses: actions/checkout@v2
     - name: Verify links
       run: ./hack/verify-links.sh
+    - name: Markdown lint
+      uses: avto-dev/markdown-lint@v1
+      with:
+        config: './.markdownlint.yaml'
+        args: '.'

.markdownlint.yaml

@@ -10,16 +10,16 @@ heading-increment: true
 heading-style:
   style: atx
 
+# MD007
+ul-indent:
+  indent: 4
+
 # MD009
 # no-trailing-spaces: true
 
 # MD010
 no-hard-tabs: true
 
-# MD007
-ul-indent:
-  indent: 4
-
 # MD012
 no-multiple-blanks: true
 

en/overview.md

@@ -4,6 +4,8 @@ summary: Learn about the Data Migration tool, the architecture, the key componen
 category: reference
 ---
 
+<!-- markdownlint-disable MD007 -->
+
 # Data Migration Overview
 
 [TiDB Data Migration](https://github.com/pingcap/dm) (DM) is an integrated data replication task management platform that supports the full data migration and the incremental data migration from MySQL/MariaDB into TiDB. It can help to reduce the operations cost and simplify the troubleshooting process.