DOC-1074: Update Zep credentials to medium tier template

[freakwriter]

Removed prerequisites section, split out cloud vs. self-hosted steps, created more detailed numbered steps.

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Overall readability score: 43.22 (🟢 +0.02)

File	Readability
zep.md	51.53 (🟢 +19.04)

View detailed metrics

🟢 - Shows an _increase_ in readability 🔴 - Shows a _decrease_ in readability File | Readability | FRE | GF | ARI | CLI | DCRS --- | --- | --- | --- | --- | --- | --- [zep.md](https://github.com/n8n-io/n8n-docs/blob/b5d78432e5f5e21fb6766ff080c8aaac43b4828b/docs/integrations/builtin/credentials/zep.md "docs/integrations/builtin/credentials/zep.md") | 51.53 | 33.61 | 7.96 | 15.2 | 15.76 | 7.08   | 🟢 +19.04 | 🟢 +14.69 | 🟢 +1.51 | 🟢 +3.1 | 🟢 +3.24 | 🟢 +1.54 Averages:   | Readability | FRE | GF | ARI | CLI | DCRS --- | --- | --- | --- | --- | --- | --- Average | 43.22 | 34.91 | 11.66 | 14.86 | 14.34 | 8.53   | 🟢 +0.02 | 🟢 +0.01 | 🟢 +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