chore(apps): add picoshare to one click apps (#1167)

public/v4/apps/picoshare.yml

@@ -0,0 +1,30 @@
+captainVersion: 4
+services:
+    '$$cap_appname':
+        image: mtlynch/picoshare:$$cap_version
+        environment:
+            PS_SHARED_SECRET: $$cap_ps_shared_secret
+            PORT: 4001
+        volumes:
+            - '$$cap_appname-data:/data'
+        caproverExtra:
+            containerHttpPort: '4001'
+caproverOneClickApp:
+    variables:
+        - id: '$$cap_version'
+          label: PicoShare Version
+          defaultValue: '1.4.4'
+          description: Check out their Docker page for the valid tags https://github.com/mtlynch/picoshare/releases
+          validRegex: "/^([^\\s^\\/])+$/"
+        - id: '$$cap_ps_shared_secret'
+          label: PS Shared Secret
+          description: Specifies a passphrase for the admin user to log in to PicoShare.
+    instructions:
+        start: |-
+            PicoShare is a minimalist service that allows you to share files easily.
+        end: |-
+            PicoShare has been successfully deployed!
+    displayName: PicoShare
+    isOfficial: true
+    description: A minimalist, open source that allows you to share fiels easily
+    documentation: See https://github.com/mtlynch/picoshare/releases