chore: added ARM64 run script for quick QEMU boot

Author: abhiprd2000

run_arm.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+cargo build --bin axiom_os_arm --target aarch64-axiom.json -Z build-std=core,alloc --release 2>&1 | tail -2
+aarch64-linux-gnu-objcopy -O binary \
+  target/aarch64-axiom/release/axiom_os_arm \
+  target/aarch64-axiom/release/axiom_os_arm.bin
+qemu-system-aarch64 \
+  -machine virt \
+  -cpu cortex-a57 \
+  -nographic \
+  -device loader,file=target/aarch64-axiom/release/axiom_os_arm.bin,addr=0x41000000,cpu-num=0 \
+  -device loader,addr=0x41000000,cpu-num=0 \
+  -m 256M