Desktop: Add simple cli interface (#3059)

* Open document from cli and add some files to .gitignore

* Revert .gitignore

* Revert .gitignore

* Implement cli properly

* Add ui-accelerated-painting option

* Format code

* Revert changes in .vscode folder

* Don't use global variables for cli

* Apply suggested changes

* Make ready for merge

* Improve names

* remove comment

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Co-authored-by: Timon <me@timon.zip>

desktop/src/cli.rs

@@ -0,0 +1,9 @@
+#[derive(clap::Parser)]
+#[clap(name = "graphite-editor", version)]
+pub struct Cli {
+	#[arg(help = "Files to open on startup")]
+	pub files: Vec<std::path::PathBuf>,
+
+	#[arg(long, action = clap::ArgAction::SetTrue, help = "Disable hardware accelerated UI rendering")]
+	pub disable_ui_acceleration: bool,
+}