feat-webgarages-121 (#129)

### Description

Closes #121

### Please confirm

- [x] I am the legal owner or represent the legal owner of all work submitted (including LLM-generated code, if any)
- [x] I consent to my changes being added to this FOSS project
- [x] I have confirmed that this does not add new errors or warnings with `utils/clippy.sh`
- [ ] This PR used LLMs to generate some or all of the code changes

Reviewed-on: https://git.ngram.ca/OpenJam/rc-servers/pulls/129

rc_plugins/src/lib.rs

@@ -1,6 +1,7 @@
 pub mod chat;
 pub mod vehicle_validation;
 pub mod team_selection;
+pub mod vehicle_import;
 
 pub trait Plugin: Send + Sync {
     fn self_check(&self) -> bool {