docs: add screenshots and walkthrough GIFs across features, cloud, integrations, and auto-runbook

[mayankpande88]

Summary

• Feature pages: home, troubleshoot, AI/NuBi, optimize, clusters, cloud, autopilot, auto-optimize, tickets, notifications, SLO, user management
• Cloud: rewrote AWS (3 connection methods + org onboarding), Azure (3-step wizard), GCP (3-step wizard) for current flows
• Knowledge Graph: animated navigation walkthrough
• Integrations: ArgoCD setup GIF; PagerDuty, Zenduty, Loggly, Azure App Insights, Chronosphere cards + config forms
• Auto-runbook: 10 action config walkthrough GIFs
• config: set markdown.hooks.onBrokenMarkdownImages to 'warn'

Type of change

• Typo / minor wording fix
• New documentation page
• Update to existing documentation
• Build, CI, or tooling change
• Other (please describe)

Checklist

• I ran npm run build locally and the site builds without errors
• I ran npm run lint locally and lint passes
• Internal links work; new external links open the correct page
• My commits are signed off (DCO — git commit -s)
• I read CONTRIBUTING.md

Screenshots (if visual changes)

Additional notes

no

[cla-assistant]

All committers have signed the CLA.

[cla-assistant]

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[gemini-code-assist]

Code Review

This pull request updates NudgeBee's documentation across various cloud integrations (AWS, Azure, GCP), features (Autopilot, SLOs, Notifications, Tickets), and observability providers by adding illustrative screenshots, GIFs, and updating setup steps to reflect new wizard-based flows. Feedback on the changes points out an incorrect configuration nesting in docusaurus.config.js regarding broken markdown links and images, alongside minor casing and capitalization inconsistencies in the updated markdown files.