Add Florent's content without reformating

9.filesystems/images/indexed_alloc.png

9.filesystems/images/inodes_table.png

9.filesystems/images/internal_fragmentation.png

9.filesystems/images/linked_list.png

9.filesystems/images/linked_list_alloc.png

9.filesystems/images/minix_example.png

9.filesystems/images/minix_gen_struct.png

9.filesystems/images/multi_indexed_alloc.png

9.filesystems/images/namei_example.png

9.filesystems/images/sectors.png

9.filesystems/images/simple_fs1.png

9.filesystems/images/simple_fs2.png

9.filesystems/images/simple_fs3.png

9.filesystems/images/simple_fs4.png

9.filesystems/images/simple_fs5.png

9.filesystems/images/simple_fs6.png

9.filesystems/images/simple_fs7.png

9.filesystems/images/simple_fs8.png

9.filesystems/index.html