Tests v2 recreate (#760)

* added common project information; setup for v2 test change

* all tests now use with_test_environment

* progress, failing

* finished re-adding tests

* prepare

* cargo sqlx prepare -- --tests

* fmt; clippy; prepare

* sqlx prepare

* adds version_create fix and corresponding test

* merge fixes; rev

* fmt, clippy, prepare

* test cargo sqlx prepare

src/routes/v2/version_creation.rs

@@ -105,7 +105,7 @@ pub async fn version_create(
             for file_part in &legacy_create.file_parts {
                 if let Some(ext) = file_part.split('.').last() {
                     match ext {
-                        "mrpack" => {
+                        "mrpack" | "mrpack-primary" => {
                             project_type = Some("modpack");
                             break;
                         }