feat: Enhance FilenameExtractor to support various filename formats and add comprehensive test cases

renamer/test/test_filenames.txt

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+# Test filenames for data extraction
+# Each line is a filename to test extraction of: order, title, year, source, frame_class, hdr, movie_db, special_info, audio_langs
+
+# Standard movie
+Movie Title (2020) BDRip [1080p,ukr,eng].mkv
+
+# With order in brackets
+[01] Movie Title (2020) BDRip [1080p,ukr,eng].mkv
+
+# With order dot
+01. Movie Title (2020) BDRip [1080p,ukr,eng].mkv
+
+# Order with decimal
+1.1 Movie Title (2020) BDRip [1080p,ukr,eng].mkv
+
+# Order like 1.9 (order 1, title 9...)
+1.9 Movie Title (2020) BDRip [1080p,ukr,eng].mkv
+
+# Title with number (no order)
+9 (2009) BDRip [1080p,2ukr,eng].mkv
+
+# Year not in parentheses
+Movie Title 2020 BDRip [1080p,ukr,eng].mkv
+
+# Year in dots
+Movie Title.2020.BDRip.[1080p,ukr,eng].mkv
+
+# No year
+Movie Title BDRip [1080p,ukr,eng].mkv
+
+# Series
+Series Name S01E01 (2020) BDRip [1080p,ukr,eng].mkv
+
+# With TMDB ID
+Movie Title (2020) [tmdbid-12345].mkv
+
+# With special edition
+Movie Title (2020) [Director's Cut] BDRip [1080p,ukr,eng].mkv
+
+# Cyrillic title
+Фільм Назва (2020) BDRip [1080p,ukr,eng].mkv
+
+# Resolution in name
+Movie Title (2020) 1080p BDRip [ukr,eng].mkv
+
+# HDR
+Movie Title (2020) BDRip [2160p,HDR,ukr,eng].mkv
+
+# Multiple audio
+Movie Title (2020) BDRip [1080p,2ukr,eng].mkv
+
+# Title with dots
+Movie.Title (2020) BDRip [1080p,ukr,eng].mkv
+
+# No brackets
+Movie Title (2020) BDRip 1080p ukr eng.mkv
+
+# Complex
+[01.1] Movie: Subtitle (2020) [Director's Cut] BDRip [2160p,HDR,2ukr,eng] [tmdbid-12345].mkv
+
+# Order at start with dot and year
+1.9 (2009) BDRip [1080p,2ukr,eng].mkv
+
+# Order at start with space and year
+1 2009 BDRip [1080p,ukr,eng].mkv
+
+# Title starting with number dot
+9. Movie Title (2020) BDRip [1080p,ukr,eng].mkv