Virtual geometry release notes for 0.14

[JMS55]

• Fixes Write release notes for PR #10164: Meshlet rendering (initial feature) #1288
• Fixes Write release notes for PR #12755: Meshlet continuous LOD #1303
• You probably want to crop and shrink the screenshot. A video might also be cool to show the changing LOD levels as you move closer or further away. It's just the meshlet example, with a much tighter shadow cascade to get nicer looking shadows since it's a static screenshot.

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• I should probably improve the plugin docs more in the future and copy past most of the "getting started guide" I wrote here into it
• I continue to wish I had a better name than meshlets for the feature 😓

[alice-i-cecile]

Just a couple of suggestions: overall I really like the writing here. Friendly, clear and aimed at a good technical level.

[BD103]

Could you please delete these lines in _release-notes.toml? That should fix CI :)