Mark xiaomi.repeater.v3 as supported for wifirepeater

[kebianizao]

This includes the config_router action required for xiaomi.repeater.v3 starts repeating.

This is a first approach implementation, if you need changes to accept the PR, please let me know. Hopefully, this does not break any other thing but I haven't checked.

Relevant documentation/references:

• https://github.com/OpenMiHome/mihome-binary-protocol/blob/master/doc/PROTOCOL.md#payloads
• Model: xiaomi.repeater.v3 FW:3.2.10 #1151
• Unable to discover the device #1805

For the record, this is a dump of the command result:

$ bin/miiocli -d wifirepeater --ip 10.10.10.1 --token TOKEN config_router SSID PASSWORD
INFO:miio.cli:Debug mode active
Setting accesspoint configuration
DEBUG:miio.click_common:Unknown model, trying autodetection. None None
DEBUG:miio.miioprotocol:Got a response: Container: 
    data = Container: 
        data = b'' (total 0)
        value = b'' (total 0)
        offset1 = 32
        offset2 = 32
        length = 0
    header = Container: 
        data = b'!1\x00 \x00\x00\x00\x00STUFF\x00\x00\xSTUFF' (total 16)
        value = Container: 
            length = 32
            unknown = 0
            device_id = unhexlify('DID')
            ts = 1970-01-01 00:18:27
        offset1 = 0
        offset2 = 16
        length = 16
    checksum = b'`STUFFSTUFF' (total 16)
DEBUG:miio.miioprotocol:Discovered 216e335f with ts: 1970-01-01 00:18:27, token: b'TOKEN'
DEBUG:miio.miioprotocol:10.10.10.1:54321 >>: {'id': 1, 'method': 'miIO.info', 'params': []}
DEBUG:miio.miioprotocol:10.10.10.1:54321 (ts: 1970-01-01 00:18:28, id: 1) << {'result': {'life': 1108, 'cfg_time': 1108, 'token': 'TOKEN', 'fw_ver': '3.2.12', 'hw_ver': 'R03', 'uid': 0, 'api_level': 2, 'mcu_fw_ver': '1000', 'wifi_fw_ver': '1.0.0', 'mac': 'MAC', 'model': 'xiaomi.repeater.v3', 'ap': {'rssi': 0, 'ssid': '', 'bssid': '', 'rx': 0, 'tx': 0}, 'sta': {'count': 1, 'ssid': 'SSID', 'hidden': 0, 'assoclist': 'ASSOCLIST;'}, 'netif': {}, 'desc': {'wifi_explorer': 0, 'sn': 'SN/SN', 'color': 100, 'channel': 'release'}}, 'id': 1}
DEBUG:miio.device:Detected model xiaomi.repeater.v3
DEBUG:miio.miioprotocol:10.10.10.1:54321 >>: {'id': 2, 'method': 'miIO.config_router', 'params': {'ssid': SSID, 'passwd': PASSWORD, 'uid': 0}}
DEBUG:miio.miioprotocol:10.10.10.1:54321 (ts: 1970-01-01 00:18:28, id: 2) << {'result': 0, 'id': 2}
0

HTH,

[rytilahti]

LGTM, thank @kebianizao! Could you please run pre-commit run -a to fix the linting issues, then this is ready to go.

[codecov]

Codecov Report

Merging #1812 (b711400) into master (fb0a63b) will increase coverage by 0.03%.
Report is 8 commits behind head on master.
The diff coverage is 75.00%.

@@            Coverage Diff             @@
##           master    #1812      +/-   ##
==========================================
+ Coverage   80.85%   80.88%   +0.03%     
==========================================
  Files         192      193       +1     
  Lines       18513    18597      +84     
  Branches     4011     4020       +9     
==========================================
+ Hits        14969    15043      +74     
- Misses       3266     3276      +10     
  Partials      278      278              

Files	Coverage Δ
miio/integrations/xiaomi/repeater/wifirepeater.py	93.87% <75.00%> (-1.78%)	⬇️

... and 9 files with indirect coverage changes

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