added ConvertMode.c with all conversion options

src/main/c/ConvertMode.c

@@ -0,0 +1,51 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+#include <stdbool.h>
+
+#include "taschenrechner.h"
+// Unit converter mode
+
+void unitConverterMode() {
+    int choice;
+    double value, result;
+
+    printf("Unit Converter Mode:\n");
+
+    printf("Distance conversions:\n");
+    printf("1. Convert Meter (cm, m, km)\n");
+    printf("2. Meter to foot/inches\n");
+    printf("3. Kilometer to Miles\n");
+
+    printf("Weight conversion:\n");
+    printf("4. Convert Gram  (mg, g, kg)\n");
+
+    printf("Temprature conversion:\n");
+    printf("5. Celsius to Fahrenheit\n");
+
+    printf("Speed conversion:\n");
+    printf("6. km/h to mph \n");
+
+    printf("Fluid conversion:\n");
+    printf("7. Convert Liter (ml, l, kl) \n");
+    printf("8. Liter to Gallon\n");
+
+    printf("Data conversions:\n");
+    printf("9. Convert Data size (MB, GB, TB)\n");
+
+    printf("Area/Volume conversions \n");
+    printf("10. Convert area (cm², m², km²) \n");
+    printf("11. Convert Volume (cm³, m³, km³)\n");
+
+    printf("Time conversion \n");
+    printf("13. Convert time (s, m, h) \n");
+    printf("14. Convert Clock (12 Hour, 24 Hour) \n");
+
+    printf("\nEnter your choice (Exit with 0): ");
+    scanf("%d", &choice);
+
+    printf("Enter the value to convert: ");
+    scanf("%lf", &value);
+
+}

src/main/c/main_taschenrechner.c

@@ -166,23 +166,7 @@ void programmingMode() {
 
 }
 
-// Unit converter mode
 
-void unitConverterMode() {
-    int choice;
-    double value, result;
-
-    printf("Unit Converter Mode:\n");
-    printf("1. Meter to Kilometer\n");
-    printf("2. Kilogram to Gram\n");
-    printf("3. Celsius to Fahrenheit\n");
-    printf("Enter your choice: ");
-    scanf("%d", &choice);
-
-    printf("Enter the value to convert: ");
-    scanf("%lf", &value);
-
-}
 
 // change mode
 int mode(int userChoice){