clarify readme, extract setters

setters.go

@@ -0,0 +1,33 @@
+package config
+
+import (
+	"strings"
+)
+
+func (c *ConfigManager) SetBool(key string, value bool) {
+	c.mutex.Lock()
+	defer c.mutex.Unlock()
+	lower := strings.ToLower(key)
+	c.mapConfig[lower] = ConfigMap{Key: key, Value: value}
+}
+
+func (c *ConfigManager) SetString(key string, value string) {
+	c.mutex.Lock()
+	defer c.mutex.Unlock()
+	lower := strings.ToLower(key)
+	c.mapConfig[lower] = ConfigMap{Key: key, Value: value}
+}
+
+func (c *ConfigManager) Set(key string, value any) {
+	c.mutex.Lock()
+	defer c.mutex.Unlock()
+	lower := strings.ToLower(key)
+	c.mapConfig[lower] = ConfigMap{Key: key, Value: value}
+}
+
+func (c *ConfigManager) SetDefault(key string, value any) {
+	c.mutex.Lock()
+	defer c.mutex.Unlock()
+	lower := strings.ToLower(key)
+	c.defaultConfig[lower] = ConfigMap{Key: key, Value: value}
+}