Merge branch 'feat/multi-backend' into 'main'

.editorconfig

.gitignore

.husky/pre-commit

.lintstagedrc.js

.prettierrc

.prettierrc-php

.prettierrcignore

.travis.yml

Gruntfile.js

abstracts

eslint.config.js

includes/abstract-integration.php

includes/class-menu.php

includes/class-rest-controller.php

includes/class-settings.php

includes/integrations/gf/attachments.php

includes/integrations/gf/class-integration.php

includes/integrations/wpcf7/class-integration.php

includes/integrations/wpforms/class-integration.php

languages/wpct-erp-forms-ca.json