Initialize Cargo package

.gitignore

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+/target/

Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "polytree-settings"
+version = "0.0.0"

Cargo.toml

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+[package]
+name = "polytree-settings"
+version = "0.0.0"
+authors = ["Alex Kotov <kotovalexarian@gmail.com>"]
+edition = "2021"
+description = "Polytree settings"
+readme = false
+homepage = "https://github.com/PolytreeWM/polytree-settings"
+repository = "https://github.com/PolytreeWM/polytree-settings.git"
+license = "MIT"
+keywords = ["gui"]
+categories = ["gui"]
+publish = true
+
+[dependencies]

src/main.rs

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+fn main() {
+    println!("Hello, world!");
+}