Add thiserror crate

Cargo.lock

@@ -1857,6 +1857,7 @@ dependencies = [
  "openssl",
  "pbkdf2",
  "serde",
+ "thiserror",
  "time",
  "tokio",
  "tower",
@@ -2924,18 +2925,18 @@ checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
 
 [[package]]
 name = "thiserror"
-version = "1.0.52"
+version = "1.0.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83a48fd946b02c0a526b2e9481c8e2a17755e47039164a86c4070446e3a4614d"
+checksum = "1e45bcbe8ed29775f228095caf2cd67af7a4ccf756ebff23a306bf3e8b47b24b"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.52"
+version = "1.0.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e7fbe9b594d6568a6a1443250a7e67d80b74e1e96f6d1715e1e21cc1888291d3"
+checksum = "a953cb265bef375dae3de6663da4d3804eee9682ea80d8e2542529b73c531c81"
 dependencies = [
  "proc-macro2",
  "quote",

Cargo.toml

@@ -45,6 +45,7 @@ tokio = { version = "1", optional = true }
 axum = { version = "0.6.4", optional = true }
 tower = { veresion = "0.4.13", optional = true }
 tower-http = { version = "0.4", optional = true, features = ["fs"] }
+thiserror = "1.0.57"
 
 [features]
 csr = ["leptos/csr", "leptos_meta/csr", "leptos_router/csr"]