chore: add yaml and toml dependencies, and create script for converting YAML to TOML

- Added 'yaml' and '@iarna/toml' dependencies in package.json.
- Created a new script.js file to process YAML files and convert them to TOML format.
- Added template.toml files for various blueprints in the blueprints directory.

blueprints/couchdb/template.toml

@@ -0,0 +1,13 @@
+[variables]
+main_domain = "${domain}"
+username = "${password:16}"
+password = "${password:32}"
+
+[config]
+env = [ "COUCHDB_USER=${username}", "COUCHDB_PASSWORD=${password}" ]
+mounts = [ ]
+
+  [[config.domains]]
+  serviceName = "couchdb"
+  port = 5_984
+  host = "${main_domain}"