feat(update): add strucutre for update command

src/commands/mod.rs

@@ -1,3 +1,4 @@
 pub mod create;
 pub mod install;
 pub mod search;
+pub mod update;

src/commands/update.rs

@@ -0,0 +1,28 @@
+use std::error::Error;
+
+pub struct Update {
+    mods_only: bool,
+    loader_only: bool,
+    loader_version: Option<String>,
+    version: Option<String>,
+}
+
+impl Update {
+    pub fn new(
+        mods_only: bool,
+        loader_only: bool,
+        loader_version: Option<String>,
+        version: Option<String>,
+    ) -> Self {
+        Self {
+            mods_only,
+            loader_only,
+            loader_version,
+            version,
+        }
+    }
+
+    pub async fn run(&self) -> Result<(), Box<dyn Error>> {
+        Ok(())
+    }
+}

src/main.rs

@@ -2,7 +2,7 @@ mod commands;
 mod models;
 mod utils;
 
-use crate::commands::{create::Create, install::Install, search::Search};
+use crate::commands::{create::Create, install::Install, search::Search, update::Update};
 use clap::{
     Parser, Subcommand,
     builder::styling::{self},
@@ -75,6 +75,20 @@ enum Commands {
         #[arg(trailing_var_arg = true)]
         mods: Vec<String>,
     },
+
+    Update {
+        #[arg(long, conflicts_with_all = ["loader_only", "loader_version"])]
+        mods_only: bool,
+
+        #[arg(long, conflicts_with_all = ["mods_only", "version"])]
+        loader_only: bool,
+
+        #[arg(long, conflicts_with = "mods_only")]
+        loader_version: Option<String>,
+
+        #[arg(long, conflicts_with = "loader_only")]
+        version: Option<String>,
+    },
 }
 
 #[tokio::main]
@@ -120,6 +134,20 @@ async fn main() -> Result<(), Box<dyn Error>> {
             let install = Install::new(mods);
             install.run().await?;
         }
+        Commands::Update {
+            mods_only,
+            loader_only,
+            loader_version,
+            version,
+        } => {
+            let update = Update::new(
+                mods_only,
+                loader_only,
+                loader_version,
+                version,
+            );
+            update.run().await?;
+        }
     }
 
     Ok(())