add psram to heap allocator

src/bin/main.rs

@@ -9,6 +9,7 @@
 
 use alloc::boxed::Box;
 use alloc::sync::Arc;
+use core::mem::MaybeUninit;
 use creaturedex::Mutex;
 use creaturedex::background_tasks;
 use creaturedex::drivers::i2c_bus::I2cBusPinConfiguration;
@@ -67,6 +68,7 @@ async fn main(spawner: Spawner) {
     let esp_peripherals = esp_hal::init(config);
 
     esp_alloc::heap_allocator!(#[esp_hal::ram(reclaimed)] size: HEAP_SIZE);
+    esp_alloc::psram_allocator!(esp_peripherals.PSRAM, esp_hal::psram);
 
     let sw_interrupt =
         esp_hal::interrupt::software::SoftwareInterruptControl::new(esp_peripherals.SW_INTERRUPT);