feat(add colors): Added terminal colors

examples/07_colors.c

@@ -0,0 +1,39 @@
+#include "../include/ns.h"
+#include "../include/ns_color.h"
+
+int main()
+{
+  ns_println("Printing in colors");
+  ns_println(NS_COLOR_GREEN "Green" NS_COLOR_RESET);
+
+  ns_error_t err;
+
+  int age;
+
+  ns_print(NS_COLOR_YELLOW "Enter age: " );
+
+  NS_TRY(err, ns_read(&age)) {
+    ns_print(NS_COLOR_RESET);
+    ns_print(NS_COLOR_GREEN "Success, you entered : ");
+    ns_println(age);
+    ns_print(NS_COLOR_RESET);
+  }
+  NS_EXCEPT(err, NS_ERROR_INVALID_INPUT) {
+
+    // Yellow for a user input warning
+    ns_println(NS_COLOR_RED "That is not a valid number! Please enter digits only." NS_COLOR_RESET);
+
+  } 
+  NS_EXCEPT(err, NS_ERROR_IO_READ) {
+
+    ns_println(NS_COLOR_RED "Failed to read from standard input." NS_COLOR_RESET);
+
+  } 
+  NS_EXCEPT(err, NS_ERROR_ANY) {
+
+    ns_print(NS_COLOR_RED "An error occurred: ");
+    ns_println(ns_error_message(err));
+    ns_print(NS_COLOR_RESET);
+
+  }
+}

include/ns_color.h

@@ -0,0 +1,14 @@
+#ifndef NS_COLOR_H
+#define NS_COLOR_H
+
+// Standard ANSI Escape Codes for Terminal Colors
+#define NS_COLOR_RESET   "\x1b[0m"
+#define NS_COLOR_RED     "\x1b[31m"
+#define NS_COLOR_GREEN   "\x1b[32m"
+#define NS_COLOR_YELLOW  "\x1b[33m"
+#define NS_COLOR_BLUE    "\x1b[34m"
+#define NS_COLOR_MAGENTA "\x1b[35m"
+#define NS_COLOR_CYAN    "\x1b[36m"
+#define NS_COLOR_BOLD    "\x1b[1m"
+
+#endif // !NS_COLOR_H