DOC-1066: Update Wolfram|Alpha credentials to medium tier template

[freakwriter]

Removed prerequisite section, converted from general bullet points to more detailed numbered instructions in both main auth and troubleshooting error section.

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Overall readability score: 43.08 (🟢 +0)

File	Readability
wolframalpha.md	51.05 (🔴 -4.63)

View detailed metrics

🟢 - Shows an _increase_ in readability 🔴 - Shows a _decrease_ in readability File | Readability | FRE | GF | ARI | CLI | DCRS --- | --- | --- | --- | --- | --- | --- [wolframalpha.md](https://github.com/n8n-io/n8n-docs/blob/a2502a3466b33e2bfd4cd8ed5bb57c3e0365ba53/docs/integrations/builtin/credentials/wolframalpha.md "docs/integrations/builtin/credentials/wolframalpha.md") | 51.05 | 32.9 | 9.92 | 13.5 | 14.2 | 7.6   | 🔴 -4.63 | 🔴 -7.04 | 🟢 +0.12 | 🔴 -0.7 | 🔴 -1.22 | 🔴 -0.29 Averages:   | Readability | FRE | GF | ARI | CLI | DCRS --- | --- | --- | --- | --- | --- | --- Average | 43.08 | 34.8 | 11.67 | 14.88 | 14.37 | 8.54   | 🟢 +0 | 🔴 -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