Add delete password store feature

plugins/Pass/jobs/rmjob.cpp

@@ -0,0 +1,24 @@
+#include "rmjob.h"
+
+RmJob::RmJob(QString path):
+    m_path(path)
+{
+    this->setObjectName("RmJob");
+}
+
+
+void RmJob::run()
+{
+    auto info = QFileInfo(this->m_path);
+    if (info.isFile()) {
+        auto file = QFile(this->m_path);
+        file.remove();
+        emit resultReady(false);
+    } else if (info.isDir()) {
+        auto dir = QDir(this->m_path);
+        dir.removeRecursively();
+        emit resultReady(false);
+    } else {
+        emit resultReady(true);
+    }
+}