Automatically add code to main.c

snippets/button/code.txt

@@ -1,3 +1,10 @@
+
+
+/* --------------------------- */
+/*            Buttons          */
+/* --------------------------- */
+
+/* Imports / Declarations */
 #include <zephyr/device.h>
 #include <zephyr/drivers/gpio.h>
 #include <zephyr/sys/util.h>
@@ -25,6 +32,7 @@ static struct gpio_dt_spec led = GPIO_DT_SPEC_GET_OR(DT_ALIAS(led0), gpios,
 						     {0});
 
 
+/* Functions */
 void button_pressed(const struct device *dev, struct gpio_callback *cb,
 		    uint32_t pins)
 {

snippets/button/config.txt

@@ -0,0 +1 @@
+CONFIG_GPIO=y