Added Supabase (#425)

* added supabase postgres

* fixed empty file

* fixed code formatting issues

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

public/v4/apps/supabase-postgres.yml

@@ -0,0 +1,49 @@
+captainVersion: 4
+services:
+    $$cap_appname-db:
+        image: supabase/postgres:$$cap_app_version
+        volumes:
+            - $$cap_appname-db-data:/var/lib/postgresql/data
+        restart: always
+        environment:
+            POSTGRES_USER: $$cap_pg_user
+            POSTGRES_PASSWORD: $$cap_pg_pass
+            POSTGRES_DB: $$cap_pg_db
+            POSTGRES_INITDB_ARGS: $$cap_pg_initdb_args
+        caproverExtra:
+            notExposeAsWebApp: 'true'
+caproverOneClickApp:
+    variables:
+        - id: $$cap_app_version
+          label: Supabase Version
+          defaultValue: '0.14.0'
+          description: Check out their Docker page for the valid tags https://hub.docker.com/r/supabase/postgres/tags
+          validRegex: /^([^\s^\/])+$/
+        - id: $$cap_pg_user
+          label: Postgres Username
+          description: ''
+          validRegex: /.{1,}/
+        - id: $$cap_pg_pass
+          label: Postgres Password
+          description: ''
+          validRegex: /.{1,}/
+        - id: $$cap_pg_db
+          label: Postgres Default Database
+          description: ''
+          validRegex: /.{1,}/
+        - id: $$cap_pg_initdb_args
+          label: "OPTIONAL: Arguments for 'postgres initdb'"
+          description: For example, --data-checksums
+          validRegex: /.{0,}/
+    instructions:
+        start: >-
+            Postgres + goodies = Supabase Postgres
+
+            Unmodified Postgres with some useful plugins. 
+
+            Our goal with this repo is not to modify Postgres, but to provide some of the most common extensions with a one-click install.
+        end: "Supabase (Postgres) is deployed and available as srv-captain--$$cap_appname-db:5432 to other apps. For example with NodeJS: 'const client = new Client({ user: 'cap_pg_user', host: 'srv-captain--$$cap_appname', database: 'cap_pg_db', password: '********', port: 5432})'"
+    displayName: Supabase PostgreSQL
+    isOfficial: true
+    description: Supabase makes it easy to use Postgres.
+    documentation: Taken from https://github.com/supabase/postgres