feat: add content filtering functionality

- Introduce kikifilter package with IsWordsInText() function for word filtering
- Add FiltredWorlds configuration option to KikiSettings
- Integrate filtering into service to prevent posting filtered content
- Update Dockerfile and Makefile to include filter package
- Add example configuration with filtered words

config/config.go

@@ -19,6 +19,7 @@ type KikiSettings struct {
 	Redis struct {
 		Address string `yaml:"address"`
 	} `yaml:"redis"`
+	FiltredWorlds []string `yaml:"filtred_worlds,flow"`
 }
 
 // Структура secret.conf