Send new login location notification mail

src/mail_templates/new_login_location-html.ejs

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+<center>
+
+<img src="<%= cloudronAvatarUrl %>" width="128px" height="128px"/>
+
+<h3>Dear <%= user %>,</h3>
+
+<p>
+  Someone logged into your Cloudron <%= cloudronName %> with this account.<br/>
+  If it was not you, please reset your password and logout from all sessions in the profile view.
+</p>
+
+<br/>
+<br/>
+
+<div style="font-size: 10px; color: #333333; background: #ffffff;">
+  Powered by <a href="https://cloudron.io">Cloudron</a>
+</div>
+
+</center>

src/mail_templates/new_login_location-text.ejs

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+Dear <%= user %>,
+
+someone logged into your Cloudron <%= cloudronName %> with this account.
+If it was not you, please reset your password and logout from all sessions in the profile view.
+
+
+Powered by https://cloudron.io
+
+Sent at: <%= new Date().toUTCString() %>