Add initial Microsoft Teams support

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

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

@@ -0,0 +1,15 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+import "encoding/json"
+
+// WorkbookChartPoint undocumented
+type WorkbookChartPoint struct {
+	// Entity is the base model of WorkbookChartPoint
+	Entity
+	// Value undocumented
+	Value json.RawMessage `json:"value,omitempty"`
+	// Format undocumented
+	Format *WorkbookChartPointFormat `json:"format,omitempty"`
+}