Added InvoicePlane. (#296)

* Adding Plausible Analytics.

* Prettify YAML.

* Update plausible.yml

Removed :ro ignored by Caprover.
Added list of docker images used by the app.

* Added InvoicePlane.

* Format invoiceplane.yml

* Using official MySQL image.

* Changed env variables for MySQL official image.

public/v4/apps/invoiceplane.yml

@@ -0,0 +1,67 @@
+captainVersion: 4
+
+services:
+    $$cap_appname-db:
+        image: mysql:5.7.32
+        volumes:
+            - $$cap_appname-mysql-data:/var/lib/mysql
+        environment:
+            MYSQL_ROOT_PASSWORD: $$cap_MYSQL_ROOT_PWD
+            MYSQL_USER: $$cap_DB_USERNAME
+            MYSQL_PASSWORD: $$cap_DB_PASSWORD
+            MYSQL_DATABASE: $$cap_DB_DATABASE
+        caproverExtra:
+            notExposeAsWebApp: 'true'
+
+    $$cap_appname:
+        image: 'thomascenni/alpine-invoiceplane:v1.5.11'
+        volumes:
+            - $$cap_appname-storage:/storage
+            - $$cap_appname-config:/config
+        environment:
+            IP_URL: 'http://$$cap_appname.$$cap_root_domain'
+            DB_HOSTNAME: 'srv-captain--$$cap_appname-db'
+            DB_USERNAME: $$cap_DB_USERNAME
+            DB_PASSWORD: $$cap_DB_PASSWORD
+            DB_DATABASE: $$cap_DB_DATABASE
+            DB_PORT: '3306'
+
+caproverOneClickApp:
+    variables:
+        - defaultValue: $$cap_gen_random_hex(20)
+          description: This is the MySQL root password. Randomly generated. Can be changed also.
+          id: $$cap_MYSQL_ROOT_PWD
+          label: MYSQL_ROOT_PWD
+          validRegex: /^([^\s^\/])+$/
+        - defaultValue: 'invoiceplane'
+          description: This is the username to access the invoiceplane db. Can use the default provided.
+          id: $$cap_DB_USERNAME
+          label: DB_USERNAME
+          validRegex: /^([^\s^\/])+$/
+        - defaultValue: $$cap_gen_random_hex(16)
+          description: This is password for the user accessing the invoiceplane db. Randomly generated. Can be changed also.
+          id: $$cap_DB_PASSWORD
+          label: DB_PASSWORD
+          validRegex: /^([^\s^\/])+$/
+        - defaultValue: 'invoiceplane'
+          description: This is name for the database hosting InvoicePlane application. Can use the default provided.
+          id: $$cap_DB_DATABASE
+          label: DB_DATABASE
+          validRegex: /^([^\s^\/])+$/
+    instructions:
+        start: >-
+            InvoicePlane is a self-hosted open source application for managing invoices.
+
+            See https://www.invoiceplane.com/.
+
+            This one click app is based on:
+            - woahbase/alpine-mysql image
+            - thomascenni/alpine-invoiceplane, based on woahbase/alpine-php and the official InvoicePlane sources from their Github repository.
+        end: >-
+            InvoicePlane is deployed and available as $$cap_appname.
+            IMPORTANT: It will take up to 1 minute for InvoicePlane to be ready. 
+            Before that, you might see 502 error page.
+    displayName: InvoicePlane
+    isOfficial: false
+    description: InvoicePlane is a self-hosted open source application for managing your quotes, invoices, clients and payments.
+    documentation: Taken from https://www.invoiceplane.com/.