📚 docs: add missing READMEs and align crates with Rust rules

- Create README.md for paracas-daemon and paracas-estimate
- Add #![doc = include_str!("../README.md")] to daemon/estimate lib.rs
- Add missing Cargo.toml metadata (docs.rs, authors, keywords, categories)
- Reorder workspace dependencies by line length per style guide
- Document background jobs, download-all, status, and job commands

crates/paracas-daemon/Cargo.toml

@@ -1,16 +1,24 @@
 [package]
 name = "paracas-daemon"
+description = "Background job management for paracas tick data downloader"
 version.workspace = true
 edition.workspace = true
 rust-version.workspace = true
 license.workspace = true
 homepage.workspace = true
 repository.workspace = true
-description = "Background job management for paracas tick data downloader"
+documentation.workspace = true
+authors.workspace = true
+keywords.workspace = true
+categories.workspace = true
 
 [lints]
 workspace = true
 
+[package.metadata.docs.rs]
+all-features = true
+rustdoc-args = ["--cfg", "docsrs"]
+
 [dependencies]
 serde = { workspace = true }
 serde_json = { workspace = true }