Add boilerplate for docs versioning

[aboucaud]

Inspired on what was done for ASTRA except here I only kept the manual publication and did not port the automated workflow other than the justfile recipes.

Since the docs seem to be handled by Cloudfare, I don't know what kind of setup is required.

[github-actions]

❌ Eval Results

Metric	Value
Score	0.00
Build complete	❌
Cost	$0.00
Turns	0
Duration	0s
lightcone-cli	0.3.5.dev12+g88b0002a3 (88b0002a)
Results	Download

Graders

No grader results

Full output

20:11:54 lightcone.eval.build Building lightcone-cli wheel from /home/runner/work/lightcone-cli/lightcone-cli ...
20:11:59 lightcone.eval.build Built lightcone_cli-0.3.5.dev12+g88b0002a3-py3-none-any.whl (commit 88b0002a)
20:12:01 lightcone.eval.harness Trial build-snae-0 failed: Failed to create sandbox: Invalid credentials
Traceback (most recent call last):
  File "/home/runner/work/lightcone-cli/lightcone-cli/src/lightcone/eval/harness.py", line 112, in run_trial
    sandbox.create()
  File "/home/runner/work/lightcone-cli/lightcone-cli/src/lightcone/eval/sandbox.py", line 149, in create
    self._sandbox = self._daytona.create(
                    ^^^^^^^^^^^^^^^^^^^^^
  File "/home/runner/work/lightcone-cli/lightcone-cli/.venv/lib/python3.12/site-packages/daytona_sdk/_utils/errors.py", line 181, in sync_wrapper
    process_n_raise_exception(e)
  File "/home/runner/work/lightcone-cli/lightcone-cli/.venv/lib/python3.12/site-packages/daytona_sdk/_utils/errors.py", line 139, in process_n_raise_exception
    raise create_daytona_error(
daytona_sdk.common.errors.DaytonaAuthenticationError: Failed to create sandbox: Invalid credentials
  snae trial 0: score=0.00 error: Failed to create sandbox: Invalid credentials

lightcone-cli: 0.3.5.dev12+g88b0002a3 (HEAD 88b0002a)
ASTRA: 0.2.9

  Eval Results: Scores  
┏━━━━━━┳━━━━━━━━━━━━━━━┓
┃ Task ┃     Score     ┃
┡━━━━━━╇━━━━━━━━━━━━━━━┩
│ snae │ 0.00 +/- 0.00 │
│      │  pass@k: 0%   │
│      │   1 errors    │
└──────┴───────────────┘

   Eval Results: Cost &   
         Duration         
┏━━━━━━┳━━━━━━━━━━━━━━━━━┓
┃ Task ┃ Cost / Duration ┃
┡━━━━━━╇━━━━━━━━━━━━━━━━━┩
│ snae │      $0.00      │
│      │       0s        │
└──────┴─────────────────┘

Total: 1 trials, $0.00, 0s

Results saved to: eval-results/build-88b0002a/results.json

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	lightcone-cli	8ae0679	Commit Preview URL Branch Preview URL	May 11 2026, 08:12 PM