v1.0.0

• GTM ID validation bug fix
• updated GTM output and input validation
• added German, Czech, Slovak and Hungarian translation
• added support GCM
• added translations: Čeština (cs-cz), Deutsch (de-de), English (GB) (en-gb), English (US) (en-us), Español (es-es), Français (fr-fr), Magyar (hu-hu), Italiano (it-it), Русский (ru-ru), and Slovenčina (sk-sk)

Full Changelog: https://github.com/playfulsparkle/oc3_gtm/commits/v1.0.0