Add startup script to prepare installation on first run, add samples …#2

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laliluna wants to merge 3 commits intochamilo:masterfrom

laliluna:master

Commits on Mar 14, 2020

Add startup script to prepare installation on first run, add samples for volumes in images
laliluna
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Fix container name in one command
laliluna
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Commits on Mar 15, 2020

Fix preparing Chamilo does not copy hidden files
laliluna
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