add dockerhub description from ci

.drone.jsonnet

@@ -70,14 +70,16 @@ local PipelineNotifications(depends_on=[]) = {
       },
     },
     {
-      image: "sheogorath/readme-to-dockerhub",
       name: "readme",
+      image: "sheogorath/readme-to-dockerhub",
+      pull: "always",
       environment: {
         DOCKERHUB_USERNAME: { from_secret: "docker_username" },
         DOCKERHUB_PASSWORD: { from_secret: "docker_password" },
         DOCKERHUB_REPO_PREFIX: "xoxys",
         DOCKERHUB_REPO_NAME: "ttrss",
-        README_PATH: "README.md"
+        README_PATH: "README.md",
+        SHORT_DESCRIPTION: "Tiny Tiny RSS - free and open source news feed reader and aggregator"
       },
       when: {
         ref: [

.drone.yml

@@ -62,6 +62,7 @@ steps:
     - "refs/tags/**"
 
 - name: readme
+  pull: always
   image: sheogorath/readme-to-dockerhub
   environment:
     DOCKERHUB_PASSWORD:
@@ -71,6 +72,7 @@ steps:
     DOCKERHUB_USERNAME:
       from_secret: docker_username
     README_PATH: README.md
+    SHORT_DESCRIPTION: Tiny Tiny RSS - free and open source news feed reader and aggregator
   when:
     ref:
     - refs/heads/master
@@ -109,6 +111,6 @@ depends_on:
 
 ---
 kind: signature
-hmac: a65910eece4462292dd0b4c69d09893697f7ce38fe3ba938fa96e2c799d57ad2
+hmac: bde1c3cd8c93a7590fdfb4f11e1d6d5c21d6d036e678fe3479ec4147c548c220
 
 ...