feat: groups price calculator admin crud, booking/offer flow and api

assets/admin.js

@@ -0,0 +1,8 @@
+import htmx from 'htmx.org'
+htmx.config.includeIndicatorStyles = false
+htmx.config.historyCacheSize = 0
+htmx.config.allowScriptTags = false
+
+import './bootstrap.js'
+
+import './styles/admin.css'