Add initial Microsoft Teams support

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

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

@@ -0,0 +1,17 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+import "time"
+
+// UploadSession undocumented
+type UploadSession struct {
+	// Object is the base model of UploadSession
+	Object
+	// UploadURL undocumented
+	UploadURL *string `json:"uploadUrl,omitempty"`
+	// ExpirationDateTime undocumented
+	ExpirationDateTime *time.Time `json:"expirationDateTime,omitempty"`
+	// NextExpectedRanges undocumented
+	NextExpectedRanges []string `json:"nextExpectedRanges,omitempty"`
+}