added recursive git cloning

+apt update

.drone.yml

@@ -7,6 +7,13 @@ platform:
   arch: amd64
 
 steps:
+- name: submodules
+  image: ubuntu:focal
+  commands:
+  - apt-get -y update
+  - apt-get -y install git
+  - git submodule update --init --recursive
+
 - name: build-and-test
   image: ubuntu:focal
 
@@ -33,14 +40,15 @@ platform:
   arch: amd64
 
 steps:
+- name: submodules
+  image: ubuntu:focal
+  commands:
+  - apt-get -y update
+  - apt-get -y install git
+  - git submodule update --init --recursive
+
 - name: build-and-test
   image: ubuntu:focal
-  environment:
-    GH_REPO_TOKEN:
-      from_secret: repo_token
-    GH_REPO_NAME: crow
-    GH_REPO_REF: github.com/crowcpp/crow.git
-    THEME_REPO_REF: github.com/crowcpp/darxygen.git
 
   commands:
   - export DEBIAN_FRONTEND=noninteractive