[XB] Patreon Integration 1.0.0

Connect XenForo user upgrades with Patreon membership tiers.

This add-on syncs Patreon memberships with forum user upgrades and enables signup and upgrade flow through Patreon.

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Features:​

• Patreon Account Connection: Uses Patreon as a connected account provider.
• Membership Sync: Automatically sync forum user upgrades with Patreon membership tiers.
• Patreon Checkout Redirect: Redirect users to Patreon checkout when purchasing user upgrades.
• Webhook Support: Processes membership updates via Patreon webhooks.
• Webhook Logs: View and track incoming webhook events for debugging and transparency.

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Useful for:​

• Subscription Monetization: Sync forum access with Patreon tiers.
• Community Supporters: Reward Patreon backers with forum upgrades.
• Automated Access Control: Keep membership and forum permissions in sync.
• Hybrid Payment System: Combine XenForo upgrades with Patreon billing.

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Setup:​

• Log in to your Patreon dashboard and create a client: https://www.patreon.com/portal/registration/register-clients
• Configure a webhook URL: your-website.com/patreon_membership_callback.php
• Fill in the client ID and secret in the add-on options.
• Set up user upgrades in XenForo and link them to Patreon tier IDs.
• Optionally, add Patreon connected account provider

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Screenshots:​