Added move function

src/components/fs/FS.cpp

@@ -95,7 +95,9 @@ int FS::DirRewind(lfs_dir_t* dir) {
 int FS::DirCreate(const char* path) {
   return lfs_mkdir(&lfs, path);
 }
-
+int FS::Rename(const char* oldPath, const char* newPath){
+  return lfs_rename(&lfs,oldPath,newPath);
+}
 int FS::Stat(const char* path, lfs_info* info) {
   return lfs_stat(&lfs, path, info);
 }

src/components/fs/FS.h

@@ -28,6 +28,7 @@ namespace Pinetime {
       int DirCreate(const char* path);
  
       lfs_ssize_t GetFSSize();
+      int Rename(const char* oldPath, const char* newPath);
       int Stat(const char* path, lfs_info* info);
       void VerifyResource();