Content for 3 Pillars pages.

[NPDebs]

The newly created homepage for we-are-ols.org links to three (3) pages, each containing details about OLS's three (3) pillars. The three pillars pages could use some more descriptive content. See here:

• Open science training.
• Open incubator.
• Research on open.

Where to find these pages in the repo? Look in these locations:

• Open science training.
• Open incubator.
• Research on open.

Thanks a lot!