Api keys with openiddict (#1262)

* Remove OpenIddict

* Add API Key system

* Revert removing OpenIddict

* fix rebase

* fix tests

* pr changes

* fix tests

* fix apikey test

* pr change

* fix db

* add migration attrs

* fix migration error

* PR Changes

* Fix sqlite migration

* change api key to use Authorization Header

* add supportAddForeignKey

* use tempdata status message

* fix add api key css

* remove redirect url + app identifier feature :(

BTCPayServer/Views/Manage/APIKeys.cshtml

@@ -0,0 +1,50 @@
+@model BTCPayServer.Controllers.ManageController.ApiKeysViewModel
+@{
+    ViewData.SetActivePageAndTitle(ManageNavPages.APIKeys, "Manage your API Keys");
+}
+
+<partial name="_StatusMessage"/>
+<h4>API Keys</h4>
+<table class="table table-lg">
+    <thead>
+    <tr>
+        <th >Key</th>
+        <th >Permissions</th>
+        <th class="text-right">Actions</th>
+    </tr>
+    </thead>
+    <tbody>
+    @foreach (var keyData in Model.ApiKeyDatas)
+    {
+        <tr>
+            <td>@keyData.Id</td>
+            <td>
+                @if (string.IsNullOrEmpty(keyData.Permissions))
+                {
+                    <span>No permissions</span>
+                }
+                else
+                {
+                    <span>@string.Join(", ", keyData.GetPermissions())</span>
+                }
+            </td>
+            <td class="text-right">
+                <a asp-action="RemoveAPIKey" asp-route-id="@keyData.Id">Remove</a>
+            </td>
+        </tr>
+    }
+    @if (!Model.ApiKeyDatas.Any())
+    {
+        <tr>
+            <td colspan="2" class="text-center h5 py-2">
+                No API keys
+            </td>
+        </tr>
+    }
+    <tr class="bg-gray">
+        <td colspan="3">
+            <a class="btn btn-primary" asp-action="AddApiKey" id="AddApiKey">Generate new key</a>
+        </td>
+    </tr>
+    </tbody>
+</table>