Rename api-hal to furi-hal (#629)

firmware/targets/f6/furi-hal/furi-hal-task.h

@@ -0,0 +1,12 @@
+#pragma once
+#include "main.h"
+#include <cmsis_os2.h>
+#include <stdbool.h>
+
+// Task stack size in bytes
+#define DEFAULT_STACK_SIZE 4096
+
+// Max system tasks count
+#define MAX_TASK_COUNT 14
+
+bool task_is_isr_context(void);