chore(build): auto-generate vimdoc

doc/LazyVim.txt

@@ -67,6 +67,11 @@ KEYMAPS                                                      *LazyVim-keymaps*
 you remember your keymaps. Just press any key like `<space>` and you’ll see a
 popup with all possible keymaps starting with `<space>`.
 
+<div class="figure">
+<img src="https://user-images.githubusercontent.com/292349/211259887-1ce1d4c0-cd5c-4f27-9562-fa2095c71f07.png" title="fig:"/>
+<p class="caption">image</p>
+</div>
+
 General
 
 │         Key          │       Description        │           Mode           │