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/heyform/template.toml

@@ -0,0 +1,17 @@
+[variables]
+main_domain = "${domain}"
+session_key = "${base64:64}"
+form_encryption_key = "${base64:64}"
+
+[config]
+env = [
+  "APP_HOMEPAGE_URL=http://${main_domain}",
+  "SESSION_KEY=${session_key}",
+  "FORM_ENCRYPTION_KEY=${form_encryption_key}"
+]
+mounts = [ ]
+
+  [[config.domains]]
+  serviceName = "heyform"
+  port = 8_000
+  host = "${main_domain}"