DOC-1059: Update Mautic credentials to medium tier template

[freakwriter]

Incorporate prereqs in auth methods, shift to more detailed numbered instructions, add more troubleshooting tips.

[netlify[bot]]

✅ Deploy Preview for n8n-docs ready!

Name	Link
🔨 Latest commit	a50f12e7be1b9b257d2bb2f8769702ba4b3ccdfa
🔍 Latest deploy log	https://app.netlify.com/sites/n8n-docs/deploys/66ccd554d471b2000808ab9f
😎 Deploy Preview	https://deploy-preview-2412--n8n-docs.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[github-actions[bot]]

Overall readability score: 43.09 (🟢 +0.01)

File	Readability
mautic.md	72.55 (🟢 +6.25)

View detailed metrics

🟢 - Shows an _increase_ in readability 🔴 - Shows a _decrease_ in readability File | Readability | FRE | GF | ARI | CLI | DCRS --- | --- | --- | --- | --- | --- | --- [mautic.md](https://github.com/n8n-io/n8n-docs/blob/a50f12e7be1b9b257d2bb2f8769702ba4b3ccdfa/docs/integrations/builtin/credentials/mautic.md "docs/integrations/builtin/credentials/mautic.md") | 72.55 | 43.29 | 6.85 | 10.1 | 11.17 | 5.95   | 🟢 +6.25 | 🟢 +0.41 | 🟢 +1.24 | 🟢 +0.1 | 🟢 +0.47 | 🟢 +1.01 Averages:   | Readability | FRE | GF | ARI | CLI | DCRS --- | --- | --- | --- | --- | --- | --- Average | 43.09 | 34.8 | 11.67 | 14.88 | 14.37 | 8.54   | 🟢 +0.01 | 🟢 +0 | 🟢 +0 | 🟢 +0 | 🟢 +0 | 🟢 +0

View metric targets

Metric | Range | Ideal score --- | --- | --- Flesch Reading Ease | 100 (very easy read) to 0 (extremely difficult read) | 60 Gunning Fog | 6 (very easy read) to 17 (extremely difficult read) | 8 or less Auto. Read. Index | 6 (very easy read) to 14 (extremely difficult read) | 8 or less Coleman Liau Index | 6 (very easy read) to 17 (extremely difficult read) | 8 or less Dale-Chall Readability | 4.9 (very easy read) to 9.9 (extremely difficult read) | 6.9 or less