feat: add path operators for Uri<String>

some part copy from url lib

Author: Decodetalkers

Cargo.toml

@@ -3,7 +3,7 @@ name = "fluent-uri"
 version = "0.3.2"
 authors = ["Scallop Ye <[email protected]>"]
 edition = "2021"
-rust-version = "1.65"
+rust-version = "1.80"
 description = "A generic URI/IRI handling library compliant with RFC 3986/3987."
 documentation = "https://docs.rs/fluent-uri"
 repository = "https://github.com/yescallop/fluent-uri-rs"
@@ -19,7 +19,9 @@ net = []
 
 [dependencies]
 borrow-or-share = "0.2"
+percent-encoding = "2.3.1"
 ref-cast = "1.0"
+thiserror = "2.0.12"
 
 [dependencies.serde]
 version = "1.0"