[FL-41] api-hal doxygen documentation (#387)

* targets/api-hal: rework documentation in doxygen style
* core/api-hal: rework documentation in doxygen style
* core/furi: rework documentation in doxygen style
* drivers: rework documentation in doxygen style

Co-authored-by: あく <alleteam@gmail.com>

core/furi/stdglue.h

@@ -7,7 +7,8 @@
 extern "C" {
 #endif
 
-/* Write callback
+/**
+ * Write callback
  * @param _cookie - pointer to cookie (see stdio gnu extension)
  * @param data - pointer to data
  * @param size - data size
@@ -15,17 +16,19 @@ extern "C" {
  */
 typedef void (*FuriStdglueWriteCallback)(void* _cookie, const char* data, size_t size);
 
-/* Initialized std library glue code */
+/** Initialized std library glue code */
 void furi_stdglue_init();
 
-/* Set global STDOUT callback
+/**
+ * Set global STDOUT callback
  * @param callback - callback or NULL to clear
  * @return true on success, otherwise fail
  * @warning function is thread aware, use this API from the same thread
  */
 bool furi_stdglue_set_global_stdout_callback(FuriStdglueWriteCallback callback);
 
-/* Set STDOUT callback for your thread 
+/**
+ * Set STDOUT callback for your thread
  * @param callback - callback or NULL to clear
  * @return true on success, otherwise fail
  * @warning function is thread aware, use this API from the same thread