Add initial Microsoft Teams support

Documentation on https://github.com/42wim/matterbridge/wiki/MS-Teams-setup

vendor/github.com/yaegashi/msgraph.go/beta/WorkbookChartModel.go

@@ -0,0 +1,33 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// WorkbookChart undocumented
+type WorkbookChart struct {
+	// Entity is the base model of WorkbookChart
+	Entity
+	// Height undocumented
+	Height *float64 `json:"height,omitempty"`
+	// Left undocumented
+	Left *float64 `json:"left,omitempty"`
+	// Name undocumented
+	Name *string `json:"name,omitempty"`
+	// Top undocumented
+	Top *float64 `json:"top,omitempty"`
+	// Width undocumented
+	Width *float64 `json:"width,omitempty"`
+	// Axes undocumented
+	Axes *WorkbookChartAxes `json:"axes,omitempty"`
+	// DataLabels undocumented
+	DataLabels *WorkbookChartDataLabels `json:"dataLabels,omitempty"`
+	// Format undocumented
+	Format *WorkbookChartAreaFormat `json:"format,omitempty"`
+	// Legend undocumented
+	Legend *WorkbookChartLegend `json:"legend,omitempty"`
+	// Series undocumented
+	Series []WorkbookChartSeries `json:"series,omitempty"`
+	// Title undocumented
+	Title *WorkbookChartTitle `json:"title,omitempty"`
+	// Worksheet undocumented
+	Worksheet *WorkbookWorksheet `json:"worksheet,omitempty"`
+}