Add epub extractor

Cargo.lock

@@ -1086,6 +1086,19 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34aa73646ffb006b8f5147f3dc182bd4bcb190227ce861fc4a4844bf8e3cb2c0"
 
+[[package]]
+name = "epub"
+version = "1.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83c5ac32621967f51e8b82def1a8a86bf4f4e4ab21b6e22f3486d42121fa6581"
+dependencies = [
+ "anyhow",
+ "percent-encoding",
+ "regex",
+ "xml-rs",
+ "zip",
+]
+
 [[package]]
 name = "equivalent"
 version = "1.0.2"
@@ -2254,6 +2267,7 @@ dependencies = [
  "aws-sdk-s3",
  "blake3",
  "chrono",
+ "epub",
  "id3",
  "itertools 0.14.0",
  "pdf",
@@ -4152,6 +4166,12 @@ version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9edde0db4769d2dc68579893f2306b26c6ecfbe0ef499b013d731b7b9247e0b9"
 
+[[package]]
+name = "xml-rs"
+version = "0.8.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ae8337f8a065cfc972643663ea4279e04e7256de865aa66fe25cec5fb912d3f"
+
 [[package]]
 name = "xmlparser"
 version = "0.13.6"
@@ -4261,6 +4281,18 @@ dependencies = [
  "syn 2.0.117",
 ]
 
+[[package]]
+name = "zip"
+version = "0.6.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "760394e246e4c28189f19d488c058bf16f564016aefac5d32bb1f3b51d5e9261"
+dependencies = [
+ "byteorder",
+ "crc32fast",
+ "crossbeam-utils",
+ "flate2",
+]
+
 [[package]]
 name = "zmij"
 version = "1.0.21"