feat: add classroomio's server to the monorepo (#168)

* add classroomio server to apps

* ReadME upadte

* Update README.md

* rename project to backend

* fix lock file

---------

Co-authored-by: Rotimi Best <best@classroomio.com>

apps/backend/fly.toml

@@ -0,0 +1,15 @@
+# fly.toml app configuration file generated for classroomio-server on 2023-07-27T21:01:09+01:00
+#
+# See https://fly.io/docs/reference/configuration/ for information about how to use this file.
+#
+
+app = "classroomio-server"
+primary_region = "lhr"
+
+[http_service]
+  internal_port = 3002
+  force_https = true
+  auto_stop_machines = true
+  auto_start_machines = true
+  min_machines_running = 0
+  processes = ["app"]