Here's the default key config:
G - Place Breach Charge on Door
V - Toggle Flashlight
F - Toggle Fire mode
C - Toggle Crouch
Shift - Run
Ctrl - Sprint
H - Toggle Squad to Hold Position / Follow
J - Toggle Squad to Offensive / Defensive Formation
R - Reload
Q - Lean to Left
E - Lean to Right
W, A, S, D - move
Left Mouse - Fire
Right Mouse - Aim
1, 2, 3, 4, Mouse Wheel - Change Equipment
SpaceBar - Use
P - Use(?)
O - Scope Sight Zoom(?)
T - Global Chat
Y - Team Chat