Add Corteza #583 (#603)

* ✨ Add Corteza

* 🔖 Formated

* 🚀 Fixed

public/v4/apps/corteza.yml

@@ -0,0 +1,65 @@
+captainVersion: 4
+
+services:
+    $$cap_appname:
+        image: cortezaproject/corteza:$$corteza_version
+        restart: always
+        depends_on:
+            - $$cap_appname-db
+        volumes:
+            - $$cap_appname-data:/data
+        environment:
+            VIRTUAL_HOST: $$cap_appname.$$cap_root_domain
+            DB_DSN: postgres://$$cap_postgre_username:$$cap_postgre_password@srv-captain--$$cap_appname-db:5432/$$cap_postgre_db_name?sslmode=disable
+            HTTP_WEBAPP_ENABLED: true
+            DOMAIN: $$cap_appname.$$cap_root_domain
+            VERSION: $$corteza_version
+    $$cap_appname-db:
+        image: postgres:13
+        restart: always
+        volumes:
+            - $$cap_appname-postgres-data:/var/lib/postgresql/data
+        environment:
+            POSTGRES_USER: $$cap_postgre_username
+            POSTGRES_PASSWORD: $$cap_postgre_password
+            POSTGRES_DB: $$cap_postgre_db_name
+
+caproverOneClickApp:
+    variables:
+        - id: '$$corteza_version'
+          label: Corteza Version
+          defaultValue: '2021.9.5'
+          description: Check out their Docker page for the valid tags https://hub.docker.com/r/cortezaproject/corteza/tags
+          validRegex: /^([^\s^\/])+$/
+        - id: $$cap_postgre_db_name
+          label: PostgreSQL Database name
+          description: ''
+          defaultValue: 'corteza'
+          validRegex: /.{1,}/
+        - id: $$cap_postgre_username
+          label: PostgreSQL username
+          defaultValue: 'cortezaUser'
+          description: ''
+          validRegex: /.{1,}/
+        - id: $$cap_postgre_password
+          label: PostgreSQL Password
+          description: ''
+          defaultValue: $$cap_gen_random_hex(16)
+          validRegex: /.{1,}/
+
+    instructions:
+        start: |-
+            Corteza is an open-source, self-hosted cloud-based platform for your work. It provides a wide ecosystem of a Unified Workspace (like Google G Suite), Enterprise Messaging (like Slack), a Low-Code environment for rapidly and securely delivering records-based management solutions, and CRM and Service Solution (like Salesforce).
+            For more info visit https://cortezaproject.org/
+
+        end: |-
+            Corteza has been successfully deployed!
+            --------------------------------------------
+            Before you proceed, please enable Websocket Support
+            https://captain.$$cap_root_domain/#/apps/details/$$cap_appname
+            --------------------------------------------
+            App is available as http://$$cap_appname.$$cap_root_domain
+    displayName: Corteza
+    isOfficial: true ## Only if all images used here are official or from a trusted source.
+    description: Corteza is a free, open-source, Low Code platform for building your organisation key applications, growing its productivity and protecting its data and the privacy of all those concerned.
+    documentation: This docker-compose is taken https://github.com/cortezaproject