DOCS: Add thumbnails manually #110

Job	Run time
Check the title of the pull request	6s
Documentation style check	36s
Build wheelhouse and smoke tests (ubuntu-latest, 3.7)	2m 48s
Build wheelhouse and smoke tests (ubuntu-latest, 3.8)	2m 44s
Build wheelhouse and smoke tests (ubuntu-latest, 3.9)	3m 52s
Build wheelhouse and smoke tests (ubuntu-latest, 3.10)	2m 37s
Build wheelhouse and smoke tests (ubuntu-latest, 3.11)	2m 38s
Build wheelhouse and smoke tests (windows-latest, 3.7)	4m 33s
Build wheelhouse and smoke tests (windows-latest, 3.8)	4m 6s
Build wheelhouse and smoke tests (windows-latest, 3.9)	4m 21s
Build wheelhouse and smoke tests (windows-latest, 3.10)	3m 46s
Build wheelhouse and smoke tests (windows-latest, 3.11)	3m 34s
Documentation build without examples	19m 43s
Documentation build with examples	0s
Testing solvers and coverage (Linux)	40m 23s
Testing and coverage (Linux)	37m 23s
Testing and coverage (Windows)	21m 57s
Testing solvers and coverage (Windows)	29m 53s
Testing IronPython and coverage (Windows)	1m 31s
Package library	33s
Release project	0s
Upload release documentation	0s
Deploy stable docs index	0s
	3h 7m 4s

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