refactor: replace custom CRM with Monica fork

.env.mischlabs.example

@@ -0,0 +1,27 @@
+# Copy this file to .env on the NAS and fill the secrets before starting Monica.
+
+APP_ENV=production
+APP_DEBUG=false
+APP_URL=https://crm.mischlabs.de
+APP_KEY=base64:GENERATE_ME
+
+DB_CONNECTION=mysql
+DB_HOST=db
+DB_PORT=3306
+DB_DATABASE=monica
+DB_USERNAME=monica
+DB_PASSWORD=CHANGE_ME_LONG_RANDOM_PASSWORD
+DB_PREFIX=
+DB_USE_UTF8MB4=true
+
+QUEUE_CONNECTION=sync
+CACHE_DRIVER=database
+SESSION_DRIVER=file
+
+MAIL_MAILER=log
+MAIL_DRIVER=log
+MAIL_FROM_ADDRESS=mail.misch@pm.me
+MAIL_FROM_NAME="MischCRM"
+
+APP_TRUSTED_PROXIES=*
+MONICA_PORT=38090