Add initial Microsoft Teams support

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

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

@@ -0,0 +1,17 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// OnPremisesConditionalAccessSettings Singleton entity which represents the Exchange OnPremises Conditional Access Settings for a tenant.
+type OnPremisesConditionalAccessSettings struct {
+	// Entity is the base model of OnPremisesConditionalAccessSettings
+	Entity
+	// Enabled Indicates if on premises conditional access is enabled for this organization
+	Enabled *bool `json:"enabled,omitempty"`
+	// IncludedGroups User groups that will be targeted by on premises conditional access. All users in these groups will be required to have mobile device managed and compliant for mail access.
+	IncludedGroups []UUID `json:"includedGroups,omitempty"`
+	// ExcludedGroups User groups that will be exempt by on premises conditional access. All users in these groups will be exempt from the conditional access policy.
+	ExcludedGroups []UUID `json:"excludedGroups,omitempty"`
+	// OverrideDefaultRule Override the default access rule when allowing a device to ensure access is granted.
+	OverrideDefaultRule *bool `json:"overrideDefaultRule,omitempty"`
+}