fix: update typos and naming

[1xstj]

Summary of changes

Provide a detailed description of proposed changes.

• Rename all tangle-standalone to tangle
• Update links to chainspec
• fix path mentions

Proposed area of change

Put an x in the boxes that apply.

• [ ] Overview
• [ ] Anchor System
• [ ] dApps
• [ ] Tangle
• [ ] Protocols
• [ ] Relayers

Reference issue to close (if applicable)

Specify any issues that can be closed from these changes (e.g. Closes #233).

• Closes

---

Code Checklist

• [ ] I have tested that prove my changes are working as intended
• [ ] I have added necessary documentation (if appropriate)

[netlify[bot]]

✅ Deploy Preview for tangle-docs ready!

Name	Link
🔨 Latest commit	458169d75cd5b79d7ba52c821c8e9eacca207650
🔍 Latest deploy log	https://app.netlify.com/sites/tangle-docs/deploys/65ae922100dce30008c88be2
😎 Deploy Preview	https://deploy-preview-17--tangle-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.