Create the basic directory structure for epub

The directory name needs to be sanitized such that it is valid on all
major Operating systems and filesystems. This includes replacing invalid
characters and limiting the filename to 255 bytes.

1 files changed, 1 insertions, 0 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 70b1e11..efd6672 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,3 +13,4 @@ serde_json = "1.0"
 tokio = { version = "1.49", features = ["rt-multi-thread", "macros"] }
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter", "fmt"] }
+unicode-normalization = "0.1"