Add account management URL for clients

[zecakeh]

Introduces types and methods to access the account management URL for clients.

[sandhose]

Thanks!

[sandhose]

There is some duplication with this struct but that's probably fine for now

matrix-authentication-service/crates/router/src/endpoints.rs

Lines 455 to 481 in 2e8d4da

	/// Actions parameters as defined by MSC2965
	#[derive(Debug, Clone, Serialize, Deserialize)]
	#[serde(tag = "action")]
	pub enum AccountAction {
	#[serde(rename = "org.matrix.profile")]
	OrgMatrixProfile,
	#[serde(rename = "profile")]
	Profile,
	#[serde(rename = "org.matrix.sessions_list")]
	OrgMatrixSessionsList,
	#[serde(rename = "sessions_list")]
	SessionsList,
	#[serde(rename = "org.matrix.session_view")]
	OrgMatrixSessionView { device_id: String },
	#[serde(rename = "session_view")]
	SessionView { device_id: String },
	#[serde(rename = "org.matrix.session_end")]
	OrgMatrixSessionEnd { device_id: String },
	#[serde(rename = "session_end")]
	SessionEnd { device_id: String },
	#[serde(rename = "org.matrix.cross_signing_reset")]
	OrgMatrixCrossSigningReset,
	}