Switch to "main" as default branch

[bast]

This is dependent on coderefinery/git-intro#352

If we change to "main" as default, please check all screenshots and graphics.

[dhanyapushpadas]

Both lesson texts and figures need to update

[dhanyapushpadas]

I will work on the text.

[johanhellsvik]

and I will revise the figures

[bast]

Let me know if you need help with the box-arrow-figures. It is easy for me to regenerate them but maybe less easy for those who don't know the program (I wrote that little tool).

[johanhellsvik]

Aha, I see. I had planned to use Inkscape - but can try out the tool that you have created.

[bast]

Yes, please consider svg to be the generated result. It is better to change the sources (the txt files).

[dhanyapushpadas]

@bast I see that it is still master on intro lessons. I assume that it will be changed. On git collaborative text, how do you suggest , remove all mention of master or say main or master.

[bast]

@bast I see that it is still master on intro lessons. I assume that it will be changed. On git collaborative text, how do you suggest , remove all mention of master or say main or master.

Yes I did not manage yet but please assume it will happen this week.
I recommend:

• mention "main" instead of "main or master"
• however please also assume that somebody joins day 3 and hasn't been there on day 1 or 2 so add a step where we get everybody on the same page

[dhanyapushpadas]

texts are changed accordingly #259.

[johanhellsvik]

Most figures have now been revised, see #262
Some work remains.

[johanhellsvik]

Remaining work:
Update 'master' to 'main' also in GitHub screenshots. Editing with a drawing program blurred the original screenshots, wherefore new screenshots would be desired.
Adjust the positioning of boxes in content/img/centralized/04-local.svg, content/img/centralized/06-local.svg and content/img/centralized/07-local.svg in order to avoid overlap.