migrated to v4

public/v4/apps/droppy.yml

@@ -0,0 +1,26 @@
+captainVersion: 4
+services:
+  $$cap_appname:
+    image: silverwind/droppy:$$cap_droppy_version
+    volumes:
+      - $$cap_appname-config:/config
+      - $$cap_appname-files:/files
+    restart: always
+    caproverExtra:
+      containerHttpPort: "8989"
+caproverOneClickApp:
+  variables:
+    - id: $$cap_droppy_version
+      label: droppy version tag
+      description: Checkout their docker page for the valid tags @
+        https://hub.docker.com/r/silverwind/droppy/tags
+      defaultValue: 11.1.0
+  instructions:
+    start: droppy is a self-hosted file storage server with a web interface.
+    end: >-
+      droppy is deployed and available as $$cap_appname. 
+
+       IMPORTANT: It will take up to 2 minutes for droppy to be ready. Before that, you might see 502 error page.
+  displayName: ""
+  description: droppy is a self-hosted file storage server with a web interface
+  documentation: Read the documentation @ https://github.com/silverwind/droppy