Naming and coding style convention, new linter tool. (#945)

* Makefile, Scripts: new linter
* About: remove ID from IC
* Firmware: remove double define for DIVC/DIVR
* Scripts: check folder names too. Docker: replace syntax check with make lint.
* Reformat Sources and Migrate to new file naming convention
* Docker: symlink clang-format-12 to clang-format
* Add coding style guide

applications/storage/storage_sd_api.h

@@ -0,0 +1,34 @@
+#pragma once
+#include <furi.h>
+#include "filesystem_api_defines.h"
+#include <fatfs.h>
+#include "storage_glue.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define SD_LABEL_LENGTH 34
+
+typedef enum {
+    FST_FAT12 = FS_FAT12,
+    FST_FAT16 = FS_FAT16,
+    FST_FAT32 = FS_FAT32,
+    FST_EXFAT = FS_EXFAT,
+} SDFsType;
+
+typedef struct {
+    SDFsType fs_type;
+    uint32_t kb_total;
+    uint32_t kb_free;
+    uint16_t cluster_size;
+    uint16_t sector_size;
+    char label[SD_LABEL_LENGTH];
+    FS_Error error;
+} SDInfo;
+
+const char* sd_api_get_fs_type_text(SDFsType fs_type);
+
+#ifdef __cplusplus
+}
+#endif