Merged i2c-helper in Main

vacum-control/test-prject/test-prject.c

@@ -0,0 +1,13 @@
+#include <stdio.h>
+#include "pico/stdlib.h"
+
+
+int main()
+{
+    stdio_init_all();
+
+    while (true) {
+        printf("Hello, world!\n");
+        sleep_ms(1000);
+    }
+}