Add initial Microsoft Teams support

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

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

@@ -0,0 +1,21 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// ProjectParticipation undocumented
+type ProjectParticipation struct {
+	// ItemFacet is the base model of ProjectParticipation
+	ItemFacet
+	// Categories undocumented
+	Categories []string `json:"categories,omitempty"`
+	// Client undocumented
+	Client *CompanyDetail `json:"client,omitempty"`
+	// DisplayName undocumented
+	DisplayName *string `json:"displayName,omitempty"`
+	// Detail undocumented
+	Detail *PositionDetail `json:"detail,omitempty"`
+	// Colleagues undocumented
+	Colleagues []RelatedPerson `json:"colleagues,omitempty"`
+	// Sponsors undocumented
+	Sponsors []RelatedPerson `json:"sponsors,omitempty"`
+}