add firefox extension template

externs/webextension_polyfill/pkcs11/Token.hx

@@ -0,0 +1,28 @@
+package webextension_polyfill.pkcs11;
+
+typedef Token = {
+	/**
+		Name of the token.
+	**/
+	var name : String;
+	/**
+		Name of the token's manufacturer.
+	**/
+	var manufacturer : String;
+	/**
+		Hardware version, as a PKCS #11 version number (two 32-bit integers separated with a dot, like "1.0".
+	**/
+	var HWVersion : String;
+	/**
+		Firmware version, as a PKCS #11 version number (two 32-bit integers separated with a dot, like "1.0".
+	**/
+	var FWVersion : String;
+	/**
+		Serial number, whose format is defined by the token specification.
+	**/
+	var serial : String;
+	/**
+		true if the token is logged on already, false otherwise.
+	**/
+	var isLoggedIn : Bool;
+};