cueseg: topic chapters from a transcript, and a worked pipeline in the readme

Cargo.lock

@@ -187,6 +187,20 @@ dependencies = [
  "cuekit",
 ]
 
+[[package]]
+name = "cueseg"
+version = "0.1.0"
+dependencies = [
+ "clap",
+ "corpus-core",
+ "cuekit",
+ "regex",
+ "schemars",
+ "serde",
+ "serde_json",
+ "textkit",
+]
+
 [[package]]
 name = "dyn-clone"
 version = "1.0.20"
@@ -268,6 +282,7 @@ dependencies = [
  "chunkmd",
  "corpus-core",
  "cuekit",
+ "cueseg",
  "mdscrub",
  "pdftriage",
  "serde_json",