Add Projectsend (#457)

* Add Project Send

ProjectSend is a self-hosted application (you can install it easily on your own VPS or shared web hosting account) that lets you upload files and assign them to specific clients that you create yourself! Secure, private and easy. No more depending on external services or e-mail to send those files!

* Formatted Yml

* Update projectsend.png

public/v4/apps/projectsend.yml

@@ -0,0 +1,44 @@
+captainVersion: 4
+services:
+    $$cap_appname:
+        image: linuxserver/projectsend:$$cap_projectsend_version
+        environment:
+            TZ: $$cap_tz
+            PUID: '1000'
+            PGID: '1000'
+            MAX_UPLOAD: $$cap_max_upload
+        restart: unless-stopped
+        volumes:
+            - $$cap_appname-config:/config
+            - $$cap_appname-data:/data
+        caproverExtra:
+            containerHttpPort: '80'
+caproverOneClickApp:
+    variables:
+        - id: $$cap_projectsend_version
+          label: ProjectSend Version
+          defaultValue: version-r1295
+          description: Check out their Docker page for the valid tags https://hub.docker.com/r/linuxserver/projectsend/tags. If you want MSSQL support please use the tag r1053-ls27
+          validRegex: /^([^\s^\/])+$/
+        - id: $$cap_tz
+          label: Time Zone
+          defaultValue: Asia/Kolkata
+          description: Get yours from https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
+          validRegex: /.{1,}/
+        - id: $$cap_max_upload
+          label: Max Upload size in MB
+          defaultValue: '5000'
+          description: To set maximum upload size (in MB), default if unset is 5000.
+    instructions:
+        start: |-
+            ProjectSend is a self-hosted application (you can install it easily on your own VPS or shared web hosting account) that lets you upload files and assign them to specific clients that you create yourself! Secure, private and easy. No more depending on external services or e-mail to send those files!
+            Requires a user and database in either mysql or mariadb.
+        end: |-
+            IMPORTANT This image no longer supports MSSQL since being migrated to PHP7, if you want MSSQL support please use the tag r1053-ls27
+            ProjectSend is deployed and available as http://$$cap_appname.$$cap_root_domain.
+            Wait for few minutes to configure the app.
+            Follow the setup wizard on initial install. Then configure the required services.
+    displayName: Project Send
+    isOfficial: true
+    description: ProjectSend is a self-hosted application that lets you upload files and assign them to specific clients that you create yourself!
+    documentation: Taken from https://hub.docker.com/r/linuxserver/projectsend. Website -  https://www.projectsend.org/