Rewrite import key with rnp

plugins/Pass/jobs/decryptjob.cpp

@@ -0,0 +1,14 @@
+#include "decryptjob.h"
+
+DecryptJob::DecryptJob(QString path, QString keyfile):
+    m_path(path)
+{
+    this->setObjectName("DecryptJob");
+}
+
+
+void DecryptJob::run()
+{
+    rnp_input_from_path(&keyfile, "secring.pgp"));
+    qFatal("To be implemented !")
+}