feat(L01): add number systems and storage card

src/tasks/task02_extension_shifts.sv

@@ -0,0 +1,13 @@
+module extension_shifts(
+  input  logic [7:0] value,
+  input  logic [2:0] shift,
+  output logic [31:0] zero_extended,
+  output logic [31:0] sign_extended,
+  output logic [31:0] logical_right,
+  output logic [31:0] arithmetic_right
+);
+  assign zero_extended = {24'b0, value};
+  assign sign_extended = {{24{value[7]}}, value};
+  assign logical_right = zero_extended >> shift;
+  assign arithmetic_right = $signed(sign_extended) >>> shift;
+endmodule