The ornamental design for a dockingstation, as shown and described.
FIG. 1 shows a top perspective view of a docking station.
FIG. 2 shows a bottom perspective view thereof.
FIG. 3 shows a top plan view thereof.
FIG. 4 shows a front view thereof.
FIG. 5 shows a rear view thereof.
FIG. 6 shows a left side view thereof.
FIG. 7 shows a right side view thereof.
FIG. 8 shows a bottom view thereof.
FIG. 9 shows a top perspective view thereof shown in an environment of use with an example electronic device; and,
FIG. 10 shows a top perspective view thereof shown in another environment of use with another example electronic device.
The broken lines showing portions of the docking station are included to show unclaimed subject matter only and forms no part of the claimed design. The broken lines showing the electronic devices in FIGS. 9 and 10 illustrate environmental structure and forms no part of the claimed design.