Add CMath library + ensure it builds, links, and runs

Sources/CMath/include/add_nums.h

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+//
+//  add_nums.h
+//  CMath
+//
+//  Created by TheAlgorithm476 on 28/03/2025.
+//
+
+#ifndef __ADD_NUMS_H
+#define __ADD_NUMS_H
+
+double add_nums(double a, double b);
+
+#endif // __ADD_NUMS_H

Sources/CMath/include/div_nums.h

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+//
+//  div_nums.h
+//  CMath
+//
+//  Created by TheAlgorithm476 on 28/03/2025.
+//
+
+#ifndef __DIV_NUMS_H
+#define __DIV_NUMS_H
+
+double div_nums(double a, double b);
+
+#endif // __DIV_NUMS_H

Sources/CMath/include/mul_nums.h

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+//
+//  mul_nums.h
+//  CMath
+//
+//  Created by TheAlgorithm476 on 28/03/2025.
+//
+
+#ifndef __MUL_NUMS_H
+#define __MUL_NUMS_H
+
+double mul_nums(double a, double b);
+
+#endif // __MUL_NUMS_H

Sources/CMath/include/spc_nums.h

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+//
+//  spc_nums.h
+//  CMath
+//
+//  Created by TheAlgorithm476 on 28/03/2025.
+//
+
+#ifndef __SPC_NUMS_H
+#define __SPC_NUMS_H
+
+#define POOR_MANS_POW_GUESSES 12
+#define NEWTONIAN_DIV_GUESSES 12
+
+double pow(double x, double exp);
+double sqrt(double x);
+
+#endif // __SPC_NUMS_H

Sources/CMath/include/sub_nums.h

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+//
+//  sub_nums.h
+//  CMath
+//
+//  Created by TheAlgorithm476 on 28/03/2025.
+//
+
+#ifndef __SUB_NUMS_H
+#define __SUB_NUMS_H
+
+double sub_nums(double a, double b);
+
+#endif // __SUB_NUMS_H

Sources/CMath/module.modulemap

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+module CMath {
+    header "include/add_nums.h"
+    header "include/sub_nums.h"
+    header "include/mul_nums.h"
+    header "include/div_nums.h"
+    header "include/spc_nums.h"
+    export *
+    link "cmath"
+}