change markdownlint target

.drone.yml

@@ -6,7 +6,7 @@ steps:
   - name: lint
     image: 06kellyjac/markdownlint-cli
     commands:
-    - markdownlint **/*.md --config .markdownlint.yaml
+      - markdownlint . --config .markdownlint.yaml
 
 ---
 
@@ -15,7 +15,7 @@ type: docker
 name: test build
 
 steps:
-- name: build
+  - name: build
     image: python
     commands:
       - make install -e BUILDDIR=build
@@ -29,13 +29,12 @@ type: docker
 name: deploy
 
 steps:
-
-- name: build
+  - name: build
     image: python
     commands:
       - make install -e BUILDDIR=build
 
-- name: deploy
+  - name: deploy
     image: appleboy/drone-scp
     when:
       status:
@@ -54,4 +53,3 @@ trigger:
     - master
   event:
     - push
-