[FL-2675] /int space reservation (#1448)

* storage: added global #defines for /int, /ext & /any
* storage: introduced PATH_EXT, PATH_INT& PATH_ANY macros
* core apps: moved hardcoded config files names to separate headers; prefixed them with "."; updater: added file name migration to new naming convention on backup extraction
* storage: fixed storage_merge_recursive handling of complex directory structures; storage_move_to_sd: changed data migration logic to all non-dot files & all folders
* core: added macro aliases for core record names
* Bumped protobuf commit pointer
* storage: reserved 5 pages in /int; denying write&creation of non-dot files when running out of free space

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

applications/nfc/nfc_worker.c

@@ -19,7 +19,7 @@ NfcWorker* nfc_worker_alloc() {
 
     nfc_worker->callback = NULL;
     nfc_worker->context = NULL;
-    nfc_worker->storage = furi_record_open("storage");
+    nfc_worker->storage = furi_record_open(RECORD_STORAGE);
 
     // Initialize rfal
     while(furi_hal_nfc_is_busy()) {
@@ -39,7 +39,7 @@ void nfc_worker_free(NfcWorker* nfc_worker) {
 
     furi_thread_free(nfc_worker->thread);
 
-    furi_record_close("storage");
+    furi_record_close(RECORD_STORAGE);
 
     if(nfc_worker->debug_pcap_worker) nfc_debug_pcap_free(nfc_worker->debug_pcap_worker);