✨ Add /date.

Signed-off-by: yc <yc@hackclub.app>

cgi/date.c

@@ -0,0 +1,18 @@
+#include <stdio.h>
+#include <time.h>
+#include <stdlib.h>
+int main() {
+    time_t t = time(NULL);
+    if (t == -1) {
+        perror("time");
+        return 1;
+    }
+    struct tm *tm = localtime(&t);
+    if (tm == NULL) {
+        perror("localtime");
+        return 1;
+    }
+    printf("Content-Type: text/plain\n\n");
+    printf("%d-%02d-%02d", tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
+    return 0;
+}