Pull request: beta client squashed

Merge in DNS/adguard-home from beta-client-2 to master

Squashed commit of the following:

commit b2640cc49a6c5484d730b534dcf5a8013d7fa478
Merge: 659def862 aef4659e9
Author: Eugene Burkov <e.burkov@adguard.com>
Date:   Tue Dec 29 19:23:09 2020 +0300

    Merge branch 'master' into beta-client-2

commit 659def8626467949c35b7a6a0c99ffafb07b4385
Author: Eugene Burkov <e.burkov@adguard.com>
Date:   Tue Dec 29 17:25:14 2020 +0300

    all: upgrade github actions node version

commit b4b8cf8dd75672e9155da5d111ac66e8f5ba1535
Author: Vladislav Abdulmyanov <v.abdulmyanov@adguard.com>
Date:   Tue Dec 29 16:57:14 2020 +0300

    all: beta client squashed

client2/src/lib/apis/mobileconfig.ts

@@ -0,0 +1,35 @@
+import qs from 'qs';
+
+// This file was autogenerated. Please do not change.
+// All changes will be overwrited on commit.
+export default class MobileconfigApi {
+    static async mobileConfigDoH(host?: string): Promise<number | Error> {
+        const queryParams = {
+            host: host,
+        }
+        return await fetch(`/control/apple/doh.mobileconfig?${qs.stringify(queryParams, { arrayFormat: 'comma' })}`, {
+            method: 'GET',
+        }).then(async (res) => {
+            if (res.status === 200) {
+                return res.status;
+            } else {
+                return new Error(String(res.status));
+            }
+        })
+    }
+
+    static async mobileConfigDoT(host?: string): Promise<number | Error> {
+        const queryParams = {
+            host: host,
+        }
+        return await fetch(`/control/apple/dot.mobileconfig?${qs.stringify(queryParams, { arrayFormat: 'comma' })}`, {
+            method: 'GET',
+        }).then(async (res) => {
+            if (res.status === 200) {
+                return res.status;
+            } else {
+                return new Error(String(res.status));
+            }
+        })
+    }
+}