Update team.ini from code review

Co-authored-by: Lawrence Mitchell <lawrence@wence.uk>
Co-authored-by: Graham Markall <535640+gmarkall@users.noreply.github.com>

docs/source/team.ini

@@ -1,6 +1,6 @@
 [a]
 # A section for short links
-icl: http://www.imperial.ac.uk
+icl: https://www.imperial.ac.uk
 gh: https://github.com
 
 [dev-institution]
@@ -35,7 +35,7 @@ Applied Physics Laboratory: https://www.apl.washington.edu/
 # name : personal-webpage, image-link
 David Ham: http://www.imperial.ac.uk/people/david.ham
 Paul Kelly: http://www.imperial.ac.uk/people/p.kelly
-Lawrence Mitchell:
+Lawrence Mitchell: https://www.wence.uk/
 Colin Cotter: http://www.imperial.ac.uk/people/colin.cotter
 Rob Kirby: http://www.baylor.edu/math/index.php?id=90540
 Koki Sagiyama: http://www.imperial.ac.uk/people/k.sagiyama
@@ -47,7 +47,7 @@ Daniel Shapero: http://psc.apl.uw.edu/people/investigators/daniel-shapero/
 Reuben W. Nixon-Hill: https://www.imperial.ac.uk/people/reuben.nixon-hill10
 Connor Ward: https://www.imperial.ac.uk/people/c.ward20
 Patrick E. Farrell: https://pefarrell.org, https://pefarrell.org/images/profile.jpg
-Pablo Brubeck: , https://pefarrell.org/images/brubeck.jpg
+Pablo Brubeck: https://www.maths.ox.ac.uk/people/pablo.brubeckmartinez, https://avatars.githubusercontent.com/u/6486130
 India Marsden: https://www.maths.ox.ac.uk/people/india.marsden, https://pefarrell.org/images/marsden.jpg
 
 [inactive-team]
@@ -61,7 +61,7 @@ Michael Lange: https://www.linkedin.com/in/michael-lange-56675994/
 Simon Funke: http://www.simonfunke.com
 Florian Rathgeber: https://kynan.github.io
 Doru Bercea:
-Graham Markall: https://gmarkall.wordpress.com
+Graham Markall: https://big-grey.co.uk/
 
 [contributing-institution]
 Imperial College London: http://www.imperial.ac.uk
@@ -106,7 +106,7 @@ Michael Lange:
 Nicolas Loriant:
 Fabio Luporini:
 Scott MacLachlan: https://www.math.mun.ca/~smaclachlan/
-Graham Markall:
+Graham Markall: https://big-grey.co.uk/
 India Marsden:
 Geordie McBain:
 Andrew McRae: