Send mailing list emails

Signed-off-by: Sacha Al Himdani <sacha@getprobo.com>

packages/emails/templates/mailing-list-subscription.txt

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+{{.SenderCompanyName}}
+
+Hi {{.RecipientFullName}},
+
+You requested to subscribe to compliance updates from {{.OrganizationName}}.
+
+Please click the link below to confirm your subscription:
+
+{{.ConfirmURL}}
+
+If you did not request this subscription, or no longer want to receive these emails, unsubscribe here:
+
+{{.UnsubscribeURL}}
+
+{{.SenderCompanyHeadquarterAddress}}
+Powered By Probo

packages/emails/templates/mailing-list-unsubscription.txt

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+{{.SenderCompanyName}}
+
+Hi {{.RecipientFullName}},
+
+You've been successfully unsubscribed from {{.OrganizationName}}'s compliance updates. You will no longer receive notifications when new information is published on their compliance page.
+
+{{.SenderCompanyHeadquarterAddress}}
+Powered By Probo

packages/emails/templates/mailing-list-updates.txt

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+{{.SenderCompanyName}}
+
+Hi {{.RecipientFullName}},
+
+{{.OrganizationName}} has published a new compliance update.
+
+{{.NewsTitle}}
+
+{{.NewsBody}}
+
+View the compliance page:
+
+{{.CompliancePageURL}}
+
+You are receiving this email because you subscribed to compliance updates from {{.OrganizationName}}.
+
+To unsubscribe, visit:
+
+{{.UnsubscribeURL}}
+
+{{.SenderCompanyHeadquarterAddress}}
+Powered By Probo