Add Carbone blueprint with Docker Compose and configuration files

- Introduced Docker Compose setup for Carbone service, including environment variables and volume configuration.
- Added logo for Carbone.
- Created template.toml for Carbone with default variables for configuration.

blueprints/carbone/template.toml

@@ -0,0 +1,12 @@
+[variables]
+main_domain = "${domain}"
+carbone_key = "${password:32}"
+
+[config]
+[[config.domains]]
+serviceName = "carbone"
+port = 4000
+host = "${main_domain}"
+
+[config.env]
+CARBONE_KEY = "${carbone_key}"