Add gitignore-aware file picker

src/main.zig

@@ -6,6 +6,7 @@ const mobile_acceptance = @import("mobile_acceptance.zig");
 const panel = @import("panel.zig");
 const protocol = @import("protocol.zig");
 const replay = @import("replay.zig");
+const repo = @import("repo.zig");
 const session = @import("session.zig");
 const socket = @import("socket.zig");
 const symbol = @import("symbol.zig");
@@ -129,6 +130,7 @@ test {
     _ = panel;
     _ = protocol;
     _ = replay;
+    _ = repo;
     _ = session;
     _ = socket;
     _ = symbol;