Add The Lounge web IRC client (#171)

public/v2/apps/the-lounge.json

@@ -0,0 +1,32 @@
+{
+  "captainVersion": "2",
+  "documentation": "Adapted from https://thelounge.chat/docs/install-and-upgrade#docker.",
+  "description": "The Lounge is a self-hosted web IRC client with modern features, persistent connections, and multi-user support.",
+  "displayName": "The Lounge",
+  "dockerCompose": {
+    "version": "3.3",
+    "services": {
+      "$$cap_appname": {
+        "image": "thelounge/thelounge:$$cap_lounge_version",
+        "containerHttpPort": "9000",
+        "restart": "always",
+        "volumes": [
+          "$$cap_appname-data:/var/opt/thelounge"
+        ]
+      }
+    }
+  },
+  "instructions": {
+    "start": "The Lounge, a self-hosted web IRC client.",
+    "end": "Your instance is now fully deployed.\n To create your user, run `docker exec --user node -it $(docker ps -f name=srv-captain--$$cap_appname --quiet) thelounge add [user]` on your host."
+  },
+  "variables": [
+    {
+        "id": "$$cap_lounge_version",
+        "label": "The Lounge Version Tag",
+        "defaultValue": "4.1.0",
+        "description": "Check out their Docker page for the valid tags https://hub.docker.com/r/thelounge/thelounge/tags",
+        "validRegex": "/^([^\\s^\\/])+$/"
+    }
+  ]
+}