[DOC] added Dave's Reliable Transaction Submission doc
[DOC] Update book_offers documentation

- Use an orderbook that returns some output
- Use a limit to prevent the browser tab from crashing
- Removed language around pagination in websocket tool (not currently supported).
Merge pull request #104 from lumberj/doc/update_book_offers

[DOC] Update book_offers documentation
[DOC] reliable_tx - style edits for consistency
[FEATURE] add robust tx submission to documentation dropdown
Merge pull request #105 from mDuo13/reliable_tx_submission

Reliable tx submission