Add dump_games command

So the frontend can map game db ids to nexus names.

src/commands/dump_games.rs

@@ -0,0 +1,14 @@
+use anyhow::Result;
+use std::fs::File;
+use std::io::Write;
+use tracing::info;
+
+use crate::models::game;
+
+pub async fn dump_games(pool: &sqlx::Pool<sqlx::Postgres>, path: &str) -> Result<()> {
+    let games = game::get_all(&pool).await?;
+    info!("writing {} games to {}", games.len(), path);
+    let mut file = File::create(path)?;
+    write!(file, "{}", serde_json::to_string(&games)?)?;
+    return Ok(());
+}

src/commands/mod.rs

@@ -7,6 +7,7 @@ pub mod dump_mod_data;
 pub mod dump_mod_search_index;
 pub mod dump_plugin_data;
 pub mod dump_file_data;
+pub mod dump_games;
 pub mod update;
 
 pub use download_tiles::download_tiles;
@@ -17,4 +18,5 @@ pub use dump_mod_data::dump_mod_data;
 pub use dump_mod_search_index::dump_mod_search_index;
 pub use dump_plugin_data::dump_plugin_data;
 pub use dump_file_data::dump_file_data;
+pub use dump_games::dump_games;
 pub use update::update;