Add info about donating to NumPy to contribute.md (#768)

Add info about donating to NumPy to contribute.md
Resolves #498

Also improve the Fundraising section of the Contribute page.

content/en/contribute.md

@@ -36,7 +36,6 @@ Programmers, this
 explains how to contribute to the NumPy codebase.
 <br>Check out also our [YouTube channel](https://www.youtube.com/playlist?list=PLCK6zCrcN3GXBUUzDr9L4__LnXZVtaIzS) for additional advice.
 
-
 ### Reviewing pull requests
 The project has more than 250 open pull requests -- meaning many potential
 improvements and many open-source contributors waiting for feedback. If you're
@@ -46,7 +45,6 @@ codebase. You can:
 * triage documentation PRs
 * test proposed changes
 
-
 ### Developing educational materials
 
 NumPy's [User Guide](https://numpy.org/devdocs) is undergoing rehabilitation.
@@ -56,7 +54,6 @@ welcome worked examples, notebooks, and videos. [NEP 44 — Restructuring the
 NumPyDocumentation](https://numpy.org/neps/nep-0044-restructuring-numpy-docs.html)
 lays out our ideas -- and you may have others.
 
-
 ### Issue triaging
 
 The [NumPy issue tracker](https://github.com/numpy/numpy/issues) has a _lot_
@@ -70,22 +67,19 @@ would make good issues for new contributors.  You can:
 
 Please just dive in.
 
-
 ### Website development
 
 We've just revamped our website, but we're far from done. If you love web
 development, these
 [issues](https://github.com/numpy/numpy.org/issues?q=is%3Aissue+is%3Aopen+label%3Adesign)
 list some of our unmet needs -- and feel free to share your own ideas.
 
-
 ### Graphic design
 
 We can barely begin to list the contributions a graphic designer can make here.
 Our docs are parched for illustration; our growing website craves images --
 opportunities abound.
 
-
 ### Translating website content
 
 We plan multiple translations of [numpy.org](https://numpy.org) to make NumPy
@@ -95,7 +89,6 @@ of this effort.  See
 for background; comment on [this GitHub
 issue](https://github.com/numpy/numpy.org/issues/55) to sign up.
 
-
 ### Community coordination and outreach
 
 Through community contact we share our work more widely and learn where we're
@@ -105,10 +98,15 @@ sprints](https://scisprints.github.io/), a newsletter, and perhaps a blog.
 
 ### Fundraising
 
-NumPy was all-volunteer for many years, but as its importance grew it became
-clear that to ensure stability and growth we'd need financial support. [This
-SciPy'19 talk](https://www.youtube.com/watch?v=dBTJD_FDVjU) explains how much
-difference that support has made. Like all the nonprofit world, we're
-constantly searching for grants, sponsorships, and other kinds of support. We
-have a number of ideas and of course we welcome more. Fundraising is a scarce
-skill here -- we'd appreciate your help.
+For many years, NumPy was maintained by dedicated volunteers, but as its importance grew it 
+became clear that to ensure stability and growth we would need financial support.
+[This SciPy'19 talk](https://www.youtube.com/watch?v=dBTJD_FDVjU) explains how much difference 
+that support has made. Like most nonprofits, we are constantly seeking grants, sponsorships, 
+and other kinds of funding. We have a number of ideas and of course we welcome more. 
+Fundraising is a scarce skill here -- we'd appreciate your help.
+
+### Donate
+
+If you'd like to contribute to NumPy by making a donation, visit [https://numpy.org/about/#donate](https://numpy.org/about/#donate).
+
+