Change the "Awesome IGE Calcul" list to list IGE projects instead

[ekwaly]

The Awesome list on the main page is clearly not used as it. Instead, we can start here a list of IGE projects.
Here is the page: https://github.com/ige-PING/public-docs/blob/main/docs/ige-projects.md

The goal is to showcase what the lab is working on, or contribute to, be part of.
What could be added in the list (suggestions, should be discussed):

• git repos (softwares, librairies, models)
• websites of work teams/subgroup
• others documentations
• datasets

[ekwaly]

Already pushed a commit to refactor the page 788fc41

[ekwaly]

• @mmenegoz You may add the link to the wiki-glace ?
• @adehecq You may add the link to xdem repo ?
• @lucas-ige You may add links to WRF-Chem-Polar repos ?

[mmenegoz]

I have included the link to the wiki-glace!