feat(utils): string utils + corresponding tests

src/utils/string_utils/string_utils.c

@@ -0,0 +1,16 @@
+#include "utils/string_utils/string_utils.h"
+
+ssize_t skip_blanks(char **str)
+{
+    if (str == NULL || *str == NULL)
+    {
+        return 0;
+    }
+    ssize_t skipped = 0;
+    while (str[skipped] != '\0' && !isblank(str[skipped]))
+    {
+        skipped++;
+    }
+    *str += skipped;
+    return skipped;
+}