Make invite failures more granular

content/english/transactional/invite-fail-credentials.md

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++++
+url = "/invite-fail-credentials"
+title="Error"
+subtitle="Invite Failed"
+main_image=""
++++
+
+#### Unknown Credentials
+
+Revolt email or password was not recognized. Please [try again](/invite) or contact our support staff.
+
+⚠️  You need [your own verified account](/chat) before having the power to invite others.

content/english/transactional/invite-fail-unverified.md

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+url = "/invite-fail-unverified"
+title="Error"
+subtitle="Invite Failed"
+main_image=""
++++
+
+#### Unverified User
+
+Only [Verified Humans](https://guide.handmadecities.com/docs/chat/#verified-human-badge) are allowed to send chat invites. Once you're granted the badge you may [try again](/invite)!