docs: add tips for /latest

[zirain]

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 65.25%. Comparing base (fd09db2) to head (d8f6470).
Report is 9 commits behind head on main.

Additional details and impacted files

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##             main    #5688      +/-   ##
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- Coverage   65.27%   65.25%   -0.03%     
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  Files         213      213              
  Lines       34108    34108              
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- Hits        22264    22256       -8     
- Misses      10505    10511       +6     
- Partials     1339     1341       +2     

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[zhaohuabing]

Nice!
Can we show the exact version here to avoid confusion?

For example:

Notice: This is pre-release documentation, corresponding to the latest Envoy Gateway image: envoyproxy/gateway-dev:latest.

Please refer to /docs for the documentation of the stable release, v1.3.2.

[zirain]

we can, but that's another story, should be in another PR.

[zhaohuabing]

I meant that the current statement is not clear enough. "most current information" is kind of vague.

"Please refer to /docs for the documentation of the latest release." is better, but the word "latest" could be misleading.

[arkodg]

This is the "latest" release of Envoy Gateway, which contains the most recent commits from the main branch. This release **might not be stable**.
It is only intended for users wishing to try out the latest features in Envoy Gateway, some of which may not be fully implemented.  Please refer to /docs for the documentation of the current stable release.

[zirain]

A little too much?

[arkodg]

if too much lets delete It is only intended for users wishing to try out the latest features in Envoy Gateway, some of which may not be fully implemented.

[zirain]

updated

[arkodg]

thanks !