added rss-bridge (#531)

Co-authored-by: Akash Agarwal <ak4zh@pop-os.localdomain>

public/v4/apps/rss-bridge.yml

@@ -0,0 +1,30 @@
+captainVersion: 4
+services:
+    # RSS Bridge
+    $$cap_appname:
+        image: rssbridge/rss-bridge:$$cap_app_version
+        restart: always
+        environment:
+            APP_URL: http://$$cap_appname.$$cap_root_domain
+        volumes:
+            - $$cap_appname-config:/config
+        caproverExtra:
+            containerHttpPort: '80'
+
+caproverOneClickApp:
+    variables:
+        - id: $$cap_app_version
+          label: RSS Bridge
+          defaultValue: '2021-04-25'
+          description: Check out their docker page for the valid tags https://hub.docker.com/r/rssbridge/rss-bridge/tags
+
+    instructions:
+        start: >-
+            RSS-Bridge is a PHP project capable of generating RSS and Atom feeds for websites that don't have one. It can be used on webservers or as a stand-alone application in CLI mode.
+        end: >-
+            Done! 😄
+            Your service is available at http://$$cap_appname.$$cap_root_domain
+    displayName: 'RSS Bridge'
+    isOfficial: true
+    description: RSS-Bridge is a PHP project capable of generating RSS and Atom feeds for websites that don't have one. It can be used on webservers or as a stand-alone application in CLI mode.
+    documentation: https://github.com/RSS-Bridge/rss-bridge