adding hidden basic asp.net core backend (#30)

Base functionality:

    DB
    email sending
    user registration & login
    storing new characters and reading them back

Notes:

    Functionality is "hidden" with no links pointing to it.
    Most pages are scaffolded and not reviewed at all :(
    local Dev db setup is pushed to git
    NO local email setup :(

Kemkas.Web/Areas/Identity/Pages/Account/Manage/ResetAuthenticator.cshtml

@@ -0,0 +1,24 @@
+@page
+@model ResetAuthenticatorModel
+@{
+    ViewData["Title"] = "Reset authenticator key";
+    ViewData["ActivePage"] = ManageNavPages.TwoFactorAuthentication;
+}
+
+<partial name="_StatusMessage" for="StatusMessage" />
+<h3>@ViewData["Title"]</h3>
+<div class="alert alert-warning" role="alert">
+    <p>
+        <span class="glyphicon glyphicon-warning-sign"></span>
+        <strong>If you reset your authenticator key your authenticator app will not work until you reconfigure it.</strong>
+    </p>
+    <p>
+        This process disables 2FA until you verify your authenticator app.
+        If you do not complete your authenticator app configuration you may lose access to your account.
+    </p>
+</div>
+<div>
+    <form id="reset-authenticator-form" method="post">
+        <button id="reset-authenticator-button" class="btn btn-danger" type="submit">Reset authenticator key</button>
+    </form>
+</div>