Add initial Microsoft Teams support

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

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

@@ -0,0 +1,13 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// MobileAppContent Contains content properties for a specific app version. Each mobileAppContent can have multiple mobileAppContentFile.
+type MobileAppContent struct {
+	// Entity is the base model of MobileAppContent
+	Entity
+	// Files undocumented
+	Files []MobileAppContentFile `json:"files,omitempty"`
+	// ContainedApps undocumented
+	ContainedApps []MobileContainedApp `json:"containedApps,omitempty"`
+}