Added all Testbenches to Modelsim and confirmed working operation

Quartus/A1_Q5/output_files/shifter.map.summary

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+Analysis & Synthesis Status : Successful - Tue Sep 15 10:06:09 2026
+Quartus Prime Version : 25.1std.0 Build 1129 10/21/2025 SC Lite Edition
+Revision Name : shifter
+Top-level Entity Name : shifter
+Family : Cyclone V
+Logic utilization (in ALMs) : N/A
+Total registers : 0
+Total pins : 30
+Total virtual pins : 0
+Total block memory bits : 0
+Total DSP Blocks : 0
+Total HSSI RX PCSs : 0
+Total HSSI PMA RX Deserializers : 0
+Total HSSI TX PCSs : 0
+Total HSSI PMA TX Serializers : 0
+Total PLLs : 0
+Total DLLs : 0