The ornamental design for a cleaningsupplykit, as shown and described.
FIG. 1 is a front, top, and left-side view of a cleaning supply kit that has the design.
FIG. 2 is front elevation view of the cleaning supply kit. The rear elevation of the wooden carrier of the cleaning supply kit is the same as seen in this view.
FIG. 3 is right-side elevation view of the cleaning supply kit.
FIG. 4 is a left-side elevation view; and,
FIG. 5 is a top plan view.
The broken lines represent elements of the claiming supply fit that do not form part of the claimed design. Any other elements of the cleaning supply kit that are not clearly disclosed in the drawings do not form part of he claimed design.