implemented furi from flipper zero

added cmsis_core, furi, mlib and nanobake
implemented basic app structure from furi
implemented basic placeholder apps

components/furi/src/furi_hal_console.h

@@ -0,0 +1,37 @@
+#pragma once
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef void (*FuriHalConsoleTxCallback)(const uint8_t* buffer, size_t size, void* context);
+
+void furi_hal_console_init();
+
+void furi_hal_console_enable();
+
+void furi_hal_console_disable();
+
+void furi_hal_console_set_tx_callback(FuriHalConsoleTxCallback callback, void* context);
+
+void furi_hal_console_tx(const uint8_t* buffer, size_t buffer_size);
+
+void furi_hal_console_tx_with_new_line(const uint8_t* buffer, size_t buffer_size);
+
+/**
+ * Printf-like plain uart interface
+ * @warning Will not work in ISR context
+ * @param format 
+ * @param ... 
+ */
+void furi_hal_console_printf(const char format[], ...) _ATTRIBUTE((__format__(__printf__, 1, 2)));
+
+void furi_hal_console_puts(const char* data);
+
+#ifdef __cplusplus
+}
+#endif