chore(rust+clippy): bump edition to 2021, and add .clippy.toml

chrono-raven6i90 · chrono-raven6i90 · commit 700a5659f65c · 2024-09-01T18:23:48.000-03:00
- bumps the `edition` on `Cargo.toml` to `2021.
- add `.clippy.toml` with `msrv=1.63.0` file.
diff --git a/.clippy.toml b/.clippy.toml
@@ -0,0 +1 @@
+msrv="1.63.0"
diff --git a/Cargo.toml b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "esplora-client"
 version = "0.9.0"
-edition = "2018"
+edition = "2021"
 authors = ["Alekos Filini <alekos.filini@gmail.com>"]
 license = "MIT"
 homepage = "https://github.com/bitcoindevkit/rust-esplora-client"
