feat: Camera settings + some refactor

GSS2.Core/Extensions/ConfiurationSectionExtensions.cs

@@ -0,0 +1,16 @@
+using Microsoft.Extensions.Configuration;
+
+namespace GSS2.Core.Extentions;
+
+public static class ConfiurationSectionExtensions
+{
+    public static Dictionary<string, string> AsDictionary(this IConfigurationSection values)
+    {
+        var dict = new Dictionary<string, string>();
+        foreach (var (key, value) in values.AsEnumerable())
+            if (value is not null)
+                dict.Add(key.Substring(values.Path.Length + 1), value);
+        return dict;
+    }
+}
+

GSS2.Core/Extensions/EnumerableExtensions.cs

@@ -1,7 +1,30 @@
+using System.Collections;
+
 namespace GSS2.Core.Extentions;
 
 public static class EnumerableExtensions
 {
     public static IEnumerable<(int i, T value)> Enumerate<T>(this IEnumerable<T> values) => values.Select((value, i) => (i, value));
+
+    public static string ToString<TKey, TValue>(this IDictionary<TKey, TValue> values, string separator, int indent) => string.Join(separator, values.Select(v => $"{new string(' ', indent)} {v.Key}: {v.Value}"));
+    public static string ToString(this IDictionary values, string separator, int indent)
+    {
+        var strs = new List<string?>();
+        var enumerator = values.GetEnumerator();
+        while (enumerator.MoveNext())
+            strs.Add($"{enumerator.Key}: {enumerator.Value}");
+        return string.Join(separator, strs.Select(s => $"{new string(' ', indent)}{s}"));
+    }
+    
+    public static string ToString<TValue>(this IEnumerable<TValue> values, string separator, int indent) => (values as IEnumerable).ToString(separator, indent);
+    public static string ToString(this IEnumerable values, string separator, int indent)
+    {
+        var strs = new List<string?>();
+        var enumerator = values.GetEnumerator();
+        while (enumerator.MoveNext())
+            strs.Add(enumerator.Current.ToString());
+        return string.Join(separator, strs.Select(s => $"{new string(' ', indent)}{s}"));
+    }
+
 }