Fix app and docs start directory (#1239)

.gitpod.yml

@@ -43,16 +43,20 @@ tasks:
       gp sync-done gitea
       $DOCKER_COMPOSE_CMD logs -f
   - name: App
-    init: |
+    before: |
       cd web/
-      yarn install
-    command: yarn start
-  - name: Docs
     init: |
+      yarn install
+    command: |
+      yarn start
+  - name: Docs
+    before: |
       cd docs/
+    init: |
       yarn install
       yarn build:woodpecker-plugins
-    command: yarn start --port 4000
+    command: |
+      yarn start --port 4000
 
 ports:
   - port: 3000