Added all Testbenches to Modelsim and confirmed working operation

Quartus/A1_Q4/output_files/alu.fit.summary

@@ -1,11 +1,11 @@
-Fitter Status : Successful - Wed Sep  9 14:22:51 2026
+Fitter Status : Successful - Tue Sep 15 10:03:59 2026
 Quartus Prime Version : 25.1std.0 Build 1129 10/21/2025 SC Lite Edition
 Revision Name : alu
 Top-level Entity Name : alu
 Family : Cyclone V
 Device : 5CGXFC5C6F27C7
 Timing Models : Final
-Logic utilization (in ALMs) : 1 / 29,080 ( < 1 % )
+Logic utilization (in ALMs) : 11 / 29,080 ( < 1 % )
 Total registers : 0
 Total pins : 18 / 364 ( 5 % )
 Total virtual pins : 0