chore: add adminforth-completion-adapter-google-gemini to the list of adapters

Author: yaroslav8765

adapters/install-adapters.sh

@@ -4,7 +4,7 @@ adminforth-email-adapter-mailgun adminforth-google-oauth-adapter adminforth-gith
 adminforth-facebook-oauth-adapter adminforth-keycloak-oauth-adapter adminforth-microsoft-oauth-adapter \
 adminforth-twitch-oauth-adapter adminforth-image-generation-adapter-openai adminforth-storage-adapter-amazon-s3 \
 adminforth-storage-adapter-local adminforth-image-vision-adapter-openai adminforth-key-value-adapter-ram \
-adminforth-login-captcha-adapter-cloudflare adminforth-login-captcha-adapter-recaptcha"
+adminforth-login-captcha-adapter-cloudflare adminforth-login-captcha-adapter-recaptcha adminforth-completion-adapter-google-gemini"
 
 # for each
 install_adapter() {