feat: Adds plugin-chart-handlebars (#17903)

* adds: plugin chart handlebars

* adds: handlebars plugin to main presets

* update: npm install

* chore: lint

* adds: dateFormat handlebars helper

* deletes: unused props

* chore: linting plugin-chart-handlebars

* docs: chart-plugin-handlebars

* adds: moment to peer deps

* update: use error handling

* update: inline config, adds renderTrigger

* update: inline config, adds renderTrigger

* camelCase controls

* (plugins-chart-handlebars) adds: missing props

Adds missing propeties in test formData

* (plugin-chart-handlebars) fixes test

* (plugin-handlebars-chart) use numbers for size

* (feature-handlebars-chart) fix viz_type

* (plugin-handlebars-chart) revert

revert the viz_type change. it was in the wrong place.

* fix test and add license headers

Co-authored-by: Ville Brofeldt <ville.v.brofeldt@gmail.com>

superset-frontend/plugins/plugin-chart-handlebars/src/index.ts

@@ -0,0 +1,27 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+// eslint-disable-next-line import/prefer-default-export
+export { default as HandlebarsChartPlugin } from './plugin';
+/**
+ * Note: this file exports the default export from Handlebars.tsx.
+ * If you want to export multiple visualization modules, you will need to
+ * either add additional plugin folders (similar in structure to ./plugin)
+ * OR export multiple instances of `ChartPlugin` extensions in ./plugin/index.ts
+ * which in turn load exports from Handlebars.tsx
+ */