fix: changes on email template (wording...)

src/mailer/mail-templates/adminStructureClaim.ejs

src/mailer/mail-templates/adminStructureCreate.ejs

src/mailer/mail-templates/apticStructureDuplication.ejs

src/mailer/mail-templates/resetPassword.ejs

src/mailer/mail-templates/structureClaimValidation.ejs

src/mailer/mail-templates/structureDeletionNotification.ejs

src/mailer/mail-templates/structureErrorReport.ejs

src/mailer/mail-templates/structureJoinRequest.ejs

...iler/mail-templates/structureModificationNotification.ejs

src/mailer/mail-templates/structureOutdatedInfo.ejs

src/mailer/mail-templates/tempUserRegistration.ejs

src/mailer/mail-templates/verify.ejs