Refactor Buefy forms a bit more, to copy grid pattern

i.e. each page can modify the component dynamically before it's registered

tailbone/static/js/tailbone.buefy.form.js

@@ -0,0 +1,7 @@
+
+let TailboneForm = {
+    template: '#tailbone-form-template',
+    methods: {}
+}
+
+let TailboneFormData = {}