[RF] AquaMai configuration refactor (#82)

更新了配置文件格式，原有的配置文件将被自动无缝迁移，详情请见新的配置文件中的注释（例外：`SlideJudgeTweak` 不再默认启用）
旧配置文件将被重命名备份，如果更新到此版本遇到 Bug 请联系我们

Updated configuration file schema. The old config file will be migrated automatically and seamlessly. See the comments in the new configuration file for details. (Except for `SlideJudgeTweak` is no longer enabled by default)
Your old configuration file will be renamed as a backup. If you encounter any bug with this version, please contact us.

AquaMai/AquaMai.Config.Interfaces/IReflectionManager.cs

@@ -0,0 +1,41 @@
+using System.Collections.Generic;
+using System;
+
+namespace AquaMai.Config.Interfaces;
+
+public interface IReflectionManager
+{
+    public interface IEntry
+    {
+        public string Path { get; }
+        public string Name { get; }
+        public IReflectionField Field { get; }
+    }
+
+    public interface ISection
+    {
+        public string Path { get; }
+        public IReflectionType Type { get; }
+        public List<IEntry> Entries { get; }
+    }
+
+    public IEnumerable<ISection> Sections { get; }
+
+    public IEnumerable<IEntry> Entries { get; }
+
+    public bool ContainsSection(string path);
+
+    public bool TryGetSection(string path, out ISection section);
+
+    public bool TryGetSection(Type type, out ISection section);
+
+    public ISection GetSection(string path);
+
+    public ISection GetSection(Type type);
+
+    public bool ContainsEntry(string path);
+
+    public bool TryGetEntry(string path, out IEntry entry);
+
+    public IEntry GetEntry(string path);
+}