Pull request 2111: 6545-schema-version

Updates #6545.

Squashed commit of the following:

commit b1969128a99ff21c97feb4e7805b4b8133d7122f
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Dec 15 20:04:37 2023 +0300

    home: fix import

commit 872ccea1491a8da76cc24db79247438d0ce4d256
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Dec 15 20:01:15 2023 +0300

    all: output schema version

internal/configmigrate/testdata/TestMigrateConfig_Migrate/v1/input.yml

@@ -0,0 +1,31 @@
+bind_host: 127.0.0.1
+bind_port: 3000
+auth_name: testuser
+auth_pass: testpassword
+coredns:
+  port: 53
+  protection_enabled: true
+  filtering_enabled: true
+  safebrowsing_enabled: false
+  safesearch_enabled: false
+  parental_enabled: false
+  parental_sensitivity: 0
+  blocked_response_ttl: 10
+  querylog_enabled: true
+  upstream_dns:
+  - tls://1.1.1.1
+  - tls://1.0.0.1
+filters:
+- url: https://adguardteam.github.io/AdGuardSDNSFilter/Filters/filter.txt
+  name: ""
+  enabled: true
+- url: https://adaway.org/hosts.txt
+  name: AdAway
+  enabled: false
+- url: https://hosts-file.net/ad_servers.txt
+  name: hpHosts - Ad and Tracking servers only
+  enabled: false
+- url: http://www.malwaredomainlist.com/hostslist/hosts.txt
+  name: MalwareDomainList.com Hosts List
+  enabled: false
+user_rules: []

internal/configmigrate/testdata/TestMigrateConfig_Migrate/v1/output.yml

@@ -0,0 +1,32 @@
+bind_host: 127.0.0.1
+bind_port: 3000
+auth_name: testuser
+auth_pass: testpassword
+coredns:
+  port: 53
+  protection_enabled: true
+  filtering_enabled: true
+  safebrowsing_enabled: false
+  safesearch_enabled: false
+  parental_enabled: false
+  parental_sensitivity: 0
+  blocked_response_ttl: 10
+  querylog_enabled: true
+  upstream_dns:
+  - tls://1.1.1.1
+  - tls://1.0.0.1
+filters:
+- url: https://adguardteam.github.io/AdGuardSDNSFilter/Filters/filter.txt
+  name: ""
+  enabled: true
+- url: https://adaway.org/hosts.txt
+  name: AdAway
+  enabled: false
+- url: https://hosts-file.net/ad_servers.txt
+  name: hpHosts - Ad and Tracking servers only
+  enabled: false
+- url: http://www.malwaredomainlist.com/hostslist/hosts.txt
+  name: MalwareDomainList.com Hosts List
+  enabled: false
+schema_version: 1
+user_rules: []