feat: improve handling of IndexedDB databases and restructure code

[KarelZe]

• fix and analyze error "there could be this many dbs, but I don't support it yet" @lxndrblz
• analyze which changes to merge into chromedb repo @KarelZe / @lxndrblz
• perform mapping in dataclass to changed attributes @KarelZe
• fix TypeError: unsupported operand type(s) for +: 'NoneType' and 'int' @KarelZe
• Allow parsing of .blob folders @lxndrblz

closes #13
closes #19
closes #20
closes #62

Merge #30 first.

[seychelles111]

In about a month, I am going to a "vacation without pay", is it possible I can archive my Teams chats?
right now I face

Can't resolve blob if blob dir is not set

internal-data Teams:capiv3-contacts-manager:fb37c808-6ca7-40eb-8746-85795efcbd36:246d6ad6-b7ca-477a-a94d-caa5a0b8ab42 (Records: 0)
system-messages-store Teams:channel-info-pane-manager:fb37c808-6ca7-40eb-8746-85795efcbd36:8:orgid:246d6ad6-b7ca-477a-a94d-caa5a0b8ab42 (Records: 0)
pinnedchannelmessages Teams:channel-info-pane-manager:fb37c808-6ca7-40eb-8746-85795efcbd36:8:orgid:246d6ad6-b7ca-477a-a94d-caa5a0b8ab42 (Records: 0)
team-roster-version-store Teams:channel-info-pane-manager:fb37c808-6ca7-40eb-8746-85795efcbd36:8:orgid:246d6ad6-b7ca-477a-a94d-caa5a0b8ab42 (Records: 0)
recentContributorsStore Teams:channel-info-pane-manager:fb37c808-6ca7-40eb-8746-85795efcbd36:8:orgid:246d6ad6-b7ca-477a-a94d-caa5a0b8ab42 (Records: 0)
channel-roster-version-store Teams:channel-info-pane-manager:fb37c808-6ca7-40eb-8746-85795efcbd36:8:orgid:246d6ad6-b7ca-477a-a94d-caa5a0b8ab42 (Records: 0)
infoPaneInternalDataStore Teams:channel-info-pane-manager:fb37c808-6ca7-40eb-8746-85795efcbd36:8:orgid:246d6ad6-b7ca-477a-a94d-caa5a0b8ab42 (Records: 0)
app-entitlements Teams:channel-installed-apps-manager:fb37c808-6ca7-40eb-8746-85795efcbd36:246d6ad6-b7ca-477a-a94d-caa5a0b8ab42 (Records: 0)
app-definitions Teams:channel-installed-apps-manager:fb37c808-6ca7-40eb-8746-85795efcbd36:246d6ad6-b7ca-477a-a94d-caa5a0b8ab42 (Records: 0)
app-entitlements Teams:chat-installed-apps-manager:fb37c808-6ca7-40eb-8746-85795efcbd36:246d6ad6-b7ca-477a-a94d-caa5a0b8ab42 (Records: 0)
app-definitions Teams:chat-installed-apps-manager:fb37c808-6ca7-40eb-8746-85795efcbd36:246d6ad6-b7ca-477a-a94d-caa5a0b8ab42 (Records: 0)
Traceback (most recent call last):
  File "C:\Users\ori.k\Documents\teams archive\forensicsim\tools\dump_leveldb.py", line 68, in <module>
    process_cmd()
  File "C:\Users\ori.k\AppData\Local\Programs\Python\Python311\Lib\site-packages\click\core.py", line 1157, in __call__
    return self.main(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\ori.k\AppData\Local\Programs\Python\Python311\Lib\site-packages\click\core.py", line 1078, in main
    rv = self.invoke(ctx)
         ^^^^^^^^^^^^^^^^
  File "C:\Users\ori.k\AppData\Local\Programs\Python\Python311\Lib\site-packages\click\core.py", line 1434, in invoke
    return ctx.invoke(self.callback, **ctx.params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\ori.k\AppData\Local\Programs\Python\Python311\Lib\site-packages\click\core.py", line 783, in invoke
    return __callback(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\ori.k\Documents\teams archive\forensicsim\tools\dump_leveldb.py", line 64, in process_cmd
    process_db(filepath, outputpath)
  File "C:\Users\ori.k\Documents\teams archive\forensicsim\tools\dump_leveldb.py", line 39, in process_db
    extracted_values = parse_db(input_path, do_not_filter=True)
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\ori.k\AppData\Local\Programs\Python\Python311\Lib\site-packages\forensicsim\backend.py", line 75, in parse_db
    extracted_values.append({
  File "C:\Users\ori.k\AppData\Local\Programs\Python\Python311\Lib\site-packages\chromedb\ccl_chromium_indexeddb.py", line 846, in iterate_records
    yield from self._raw_db.iterate_records(
  File "C:\Users\ori.k\AppData\Local\Programs\Python\Python311\Lib\site-packages\chromedb\ccl_chromium_indexeddb.py", line 641, in iterate_records
    precursor = self.read_record_precursor(
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\ori.k\AppData\Local\Programs\Python\Python311\Lib\site-packages\chromedb\ccl_chromium_indexeddb.py", line 600, in read_record_precursor
    blob = self.get_blob(db_id, store_id, key.raw_key, externally_serialized_blob_index).read()
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\ori.k\AppData\Local\Programs\Python\Python311\Lib\site-packages\chromedb\ccl_chromium_indexeddb.py", line 692, in get_blob
    raise ValueError("Can't resolve blob if blob dir is not set")
ValueError: Can't resolve blob if blob dir is not set
PS C:\Users\ori.k\Documents\teams archive\forensicsim> ```

[seychelles111]

https://github.com/cclgroupltd/ccl_chrome_indexeddb
exporting to csv works for me tho.... just not the decoding thing