add submodule init

.drone.yml

@@ -9,6 +9,11 @@ trigger:
       - tag
 
 steps:
+  - name: submodules
+    image: alpine/git
+    commands:
+      - git submodule update --init --recursive
+
   - name: "Hugo test build"
     image: klakegg/hugo:0.91.0-ext-ubuntu
     commands:
@@ -31,6 +36,11 @@ depends_on:
   - "Test Pipeline"
 
 steps:
+  - name: submodules
+    image: alpine/git
+    commands:
+      - git submodule update --init --recursive
+
   - name: "Build (${DRONE_BRANCH} as next)"
     image: plugins/docker
     settings:
@@ -65,6 +75,11 @@ depends_on:
   - "Test Pipeline"
 
 steps:
+  - name: submodules
+    image: alpine/git
+    commands:
+      - git submodule update --init --recursive
+
   - name: "Build (master)"
     image: plugins/docker
     settings:
@@ -91,6 +106,11 @@ trigger:
     include:
       - tag
 steps:
+  - name: submodules
+    image: alpine/git
+    commands:
+      - git submodule update --init --recursive
+
   - name: "Build tag image"
     image: plugins/docker
     settings: