Add ToddlerBot to the gallery

Author: stephane-caron

README.md

@@ -237,7 +237,7 @@ A curated list of awesome robot descriptions in URDF, Xacro or MJCF formats.
 | <img src="gallery/a1.png" alt="A1" width=100> | <img src="gallery/anymal_b.png" alt="ANYmal B" width=100> | <img src="gallery/anymal_c.png" alt="ANYmal C" width=100> | <img src="gallery/mini_cheetah.png" alt="Mini Cheetah" width=100> | <img src="gallery/solo.png" alt="Solo" width=100> |
 | <img src="gallery/rsk.png" alt="Robot Soccer Kit" width=100> | <img src="gallery/med7.png" alt="Med 7" width=100> | <img src="gallery/med14.png" alt="Med 14" width=100> | <img src="gallery/elf2.png" alt="Med 14" width=100> | <img src="gallery/rb-robout.png" alt="Med 14" width=100> |
 | <img src="gallery/rb-kairos.png" alt="Med 14" width=100> | <img src="gallery/rb-summit-xl.png" alt="Med 14" width=100> | <img src="gallery/rb-theron.png" alt="Med 14" width=100> | <img src="gallery/rb-vogui.png" alt="Med 14" width=100> | <img src="gallery/rb-kairos-plus.png" alt="Med 14" width=100> |
-| <img src="gallery/rb-robout-plus.png" alt="Med 14" width=100> | <img src="gallery/rb-vogui-plus.png" alt="Med 14" width=100> |
+| <img src="gallery/rb-robout-plus.png" alt="Med 14" width=100> | <img src="gallery/rb-vogui-plus.png" alt="Med 14" width=100> | <img src="gallery/toddlerbot.png" alt="ToddlerBot" width=100> | | |
 
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