Feat/docs outreach batch 2 (#176)

* docs: update PROJECT-BOARD with completed items

* docs: fix fake case studies, update PR, add viral blog post, Discord threads

- docs/showcase: mark all 3 case studies as fictional/technical examples
  (AutoFinance, HealthAI, LogiShip are illustrative, not real companies)
- docs/press.md: fix fake statistics, remove fake quotes, fix broken links
- docs/blog/13: add viral blog post 'Goodbye LangChain — my AI Agent finally
  won't crash in production' (real production numbers, crash recovery demo)
- docs/blog/README: add v2.5.3 section with new post
- docs/community: add eino integration story for eino community outreach
- examples/basic_agent, examples/mcp-gateway: add run.sh for easy demo
- awesome-ai-agents PR #781: update description with v2.5.3 changelog
- GitHub Discussions: create 5 threads (Announcements, Q&A x2, Ideas, Show-and-Tell)

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Co-authored-by: Hermes Agent <agent@hermes.local>

Author: Colin4k1024