Add initial Microsoft Teams support

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

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

@@ -0,0 +1,29 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+import "time"
+
+// Photo undocumented
+type Photo struct {
+	// Object is the base model of Photo
+	Object
+	// CameraMake undocumented
+	CameraMake *string `json:"cameraMake,omitempty"`
+	// CameraModel undocumented
+	CameraModel *string `json:"cameraModel,omitempty"`
+	// ExposureDenominator undocumented
+	ExposureDenominator *float64 `json:"exposureDenominator,omitempty"`
+	// ExposureNumerator undocumented
+	ExposureNumerator *float64 `json:"exposureNumerator,omitempty"`
+	// FNumber undocumented
+	FNumber *float64 `json:"fNumber,omitempty"`
+	// FocalLength undocumented
+	FocalLength *float64 `json:"focalLength,omitempty"`
+	// Iso undocumented
+	Iso *int `json:"iso,omitempty"`
+	// Orientation undocumented
+	Orientation *int `json:"orientation,omitempty"`
+	// TakenDateTime undocumented
+	TakenDateTime *time.Time `json:"takenDateTime,omitempty"`
+}