Add bootstrap script to template #244

Job	Run time
conda_boostrap	9m 7s
no-tests (3.11)	5m 5s
mimerenderer (3.8)	4m 30s
mimerenderer (3.11)	3m 31s
names (my_extension, my_extension)	4m 14s
names (myextension, myextension)	3m 28s
names (my-extension, my_extension)	4m 19s
pnpm_linker (frontend)	5m 6s
pnpm_linker (server)	5m 0s
pnpm_linker (theme)	5m 3s
server (ubuntu-latest, 3.8)	8m 23s
server (ubuntu-latest, 3.11)	8m 13s
server (macos-latest, 3.8)	12m 12s
server (macos-latest, 3.11)	14m 18s
server (windows-latest, 3.8)	2m 21s
server (windows-latest, 3.11)	3m 22s
settings (3.8)	4m 24s
settings (3.11)	3m 48s
theme (3.8)	3m 47s
theme (3.11)	3m 46s
test_isolated	0s
	1h 53m 57s

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