Initial QSfera import

Server/vendor/github.com/samber/slog-common/finder.go

@@ -0,0 +1,29 @@
+package slogcommon
+
+import "log/slog"
+
+func FindAttrByKey(attrs []slog.Attr, key string) (slog.Attr, bool) {
+	for i := range attrs {
+		if attrs[i].Key == key {
+			return attrs[i], true
+		}
+	}
+
+	return slog.Attr{}, false
+}
+
+func FindAttrByGroupAndKey(attrs []slog.Attr, groups []string, key string) (slog.Attr, bool) {
+	if len(groups) == 0 {
+		return FindAttrByKey(attrs, key)
+	}
+
+	for i := range attrs {
+		if attrs[i].Key == groups[0] && attrs[i].Value.Kind() == slog.KindGroup {
+			attr, found := FindAttrByGroupAndKey(attrs[i].Value.Group(), groups[1:], key)
+			if found {
+				return attr, true
+			}
+		}
+	}
+	return slog.Attr{}, false
+}