add valkey (#1152)

* add valkey

* apply prettier

public/v4/apps/valkey.yml

@@ -0,0 +1,35 @@
+captainVersion: 4
+services:
+    $$cap_appname:
+        image: valkey/valkey:$$cap_valkey_version
+        volumes:
+            - $$cap_appname-valkey-data:/data
+        restart: always
+        environment:
+            VALKEY_EXTRA_FLAGS: $$cap_valkey_extra_flags
+        caproverExtra:
+            notExposeAsWebApp: 'true'
+caproverOneClickApp:
+    variables:
+        - id: $$cap_valkey_version
+          label: Valkey Version Tag
+          description: 'Check out their Docker page for the valid tags: https://hub.docker.com/valkey/valkey?tab=tags'
+          defaultValue: '8.0.1-alpine'
+          validRegex: /^([^\s^\/])+$/
+        - id: $$cap_valkey_extra_flags
+          label: Valkey extra flags
+          description: >-
+              you can pass extra flags to `valkey-server` command using this value
+              For example by passing `--requirepass password` you can set a password for Valkey server
+    instructions:
+        start: >-
+            Valkey is a flexible distributed key-value datastore that supports both caching and beyond caching workloads.
+
+            After installation on CapRover, it will be available as srv-captain--YOUR_CONTAINER_NAME at port 6379 to other CapRover apps.
+
+            Enter your Valkey container name and click on next. It will take about a minute for the process to finish.
+        end: 'Valkey is deployed and available as srv-captain--$$cap_appname:6379 to other apps.'
+    displayName: 'Valkey'
+    isOfficial: true
+    description: Valkey is a flexible distributed key-value datastore that supports both caching and beyond caching workloads.
+    documentation: Taken from https://hub.docker.com/valkey/valkey