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/helpers/installHelpers.ts

@@ -0,0 +1,17 @@
+export enum NETWORK_TYPE {
+    LOCAL = 'LOCAL',
+    ETHERNET = 'ETHERNET',
+    OTHER = 'OTHER',
+}
+
+export const chechNetworkType = (network: string | undefined) => {
+    if (!network) {
+        return NETWORK_TYPE.OTHER;
+    }
+    if (network.includes('en')) {
+        return NETWORK_TYPE.ETHERNET;
+    }
+    if (network.includes('lo')) {
+        return NETWORK_TYPE.LOCAL;
+    }
+};