feat: Added KuWo(酷我) Music lyrics source (incomplete).

src/ZonyLrcTools.Common/Lyrics/Providers/KuWo/JsonModel/GetLyricsRequest.cs

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+using Newtonsoft.Json;
+
+namespace ZonyLrcTools.Common.Lyrics.Providers.KuWo.JsonModel;
+
+public class GetLyricsRequest
+{
+    [JsonProperty("musicId")] public long MusicId { get; }
+
+    public GetLyricsRequest(long musicId)
+    {
+        MusicId = musicId;
+    }
+}

src/ZonyLrcTools.Common/Lyrics/Providers/KuWo/JsonModel/GetLyricsResponse.cs

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+using Newtonsoft.Json;
+
+namespace ZonyLrcTools.Common.Lyrics.Providers.KuWo.JsonModel;
+
+public class GetLyricsResponse
+{
+    [JsonProperty("status")] public int Status { get; set; }
+
+    [JsonProperty("lrclist")] public ICollection<GetLyricsItem> Lyrics { get; set; }
+
+    [JsonProperty("msg")] public string? ErrorMessage { get; set; }
+
+    [JsonProperty("msgs")] public string? ErrorMessage2 { get; set; }
+}
+
+public class GetLyricsItem
+{
+    [JsonProperty("lineLyric")] public string Text { get; set; }
+
+    [JsonProperty("time")] public string Position { get; set; }
+}

src/ZonyLrcTools.Common/Lyrics/Providers/KuWo/JsonModel/SongSearchRequest.cs

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+using Newtonsoft.Json;
+
+namespace ZonyLrcTools.Common.Lyrics.Providers.KuWo.JsonModel;
+
+public class SongSearchRequest
+{
+    [JsonProperty("key")] public string Keyword { get; set; }
+
+    [JsonProperty("pn")] public int PageNumber { get; }
+
+    [JsonProperty("rn")] public int PageSize { get; }
+
+    public SongSearchRequest(string name, string artist, int pageNumber = 1, int pageSize = 20)
+    {
+        Keyword = $"{name} {artist}";
+        PageNumber = pageNumber;
+        PageSize = pageSize;
+    }
+}

src/ZonyLrcTools.Common/Lyrics/Providers/KuWo/JsonModel/SongSearchResponse.cs

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+using Newtonsoft.Json;
+
+namespace ZonyLrcTools.Common.Lyrics.Providers.KuWo.JsonModel;
+
+public class SongSearchResponse
+{
+    [JsonProperty("code")] public int Code { get; set; }
+
+    [JsonProperty("data")] public SongSearchResponseInnerData InnerData { get; set; }
+
+    [JsonProperty("msg")] public string? ErrorMessage { get; set; }
+
+    public long GetMatchedMusicId(string musicName, string artistName, long? duration)
+    {
+        var prefectMatch = InnerData.SongItems.FirstOrDefault(x => x.Name == musicName && x.Artist == artistName);
+        if (prefectMatch != null)
+        {
+            return prefectMatch.MusicId;
+        }
+
+        if (duration is null or 0)
+        {
+            return InnerData.SongItems.First().MusicId;
+        }
+
+        return InnerData.SongItems.OrderBy(t => Math.Abs(t.Duration - duration.Value)).First().MusicId;
+    }
+}
+
+public class SongSearchResponseInnerData
+{
+    [JsonProperty("total")] public string Total { get; set; }
+
+    [JsonProperty("list")] public ICollection<SongSearchResponseDetail> SongItems { get; set; }
+}
+
+public class SongSearchResponseDetail
+{
+    [JsonProperty("artist")] public string? Artist { get; set; }
+
+    [JsonProperty("name")] public string? Name { get; set; }
+
+    [JsonProperty("rid")] public long MusicId { get; set; }
+
+    [JsonProperty("duration")] public long Duration { get; set; }
+}