update config, add config docs

src/cli.rs

@@ -0,0 +1,23 @@
+use clap::{Parser, Subcommand};
+
+#[derive(Parser)]
+#[command(version, about, long_about = None)]
+pub struct Cli {
+    #[command(subcommand)]
+    pub command: Commands,
+}
+
+#[derive(Subcommand, Debug)]
+pub enum Commands {
+    ///Generate bash completions
+    GenerateBashCompletions,
+    ///Generate zsh completions
+    GenerateZshCompletions,
+    ///Generate fish completions
+    GenerateFishCompletions,
+    ///Runs it
+    Run {
+        #[arg(short, long)]
+        config: String,
+    },
+}