Deploy docs version 0.11.8

[LordGhostX]

Follow up to https://github.com/NethermindEth/juno/pull/1875 and release v0.11.8 after implementing feedback:

• [x] Release docs version 0.11.8
• [x] Add page redirects from the old docs with https://docusaurus.io/docs/api/plugins/@docusaurus/plugin-client-redirects

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 75.35%. Comparing base (6fbdc4e) to head (ba88ede).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1885 +/- ## ========================================== + Coverage 75.28% 75.35% +0.07% ========================================== Files 97 97 Lines 8342 8342 ========================================== + Hits 6280 6286 +6 + Misses 1525 1522 -3 + Partials 537 534 -3 ```

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