Add utoipa info for v2 routes (#5775)

* wip: add v2 docs, routes to config, paths

* fix up path prefixes

* fix leading slashes

* fix slash route

* fix more slashes

* wip: full utopification of v2

* convert last few v2 routes to utoipa

apps/labrinth/src/models/v2/projects.rs

@@ -18,7 +18,7 @@ use serde::{Deserialize, Serialize};
 use validator::Validate;
 
 /// A project returned from the API
-#[derive(Serialize, Deserialize, Clone)]
+#[derive(Serialize, Deserialize, Clone, utoipa::ToSchema)]
 pub struct LegacyProject {
     /// Relevant V2 fields- these were removed or modified in V3,
     /// and are now part of the dynamic fields system
@@ -253,7 +253,9 @@ impl LegacyProject {
     }
 }
 
-#[derive(Serialize, Deserialize, Clone, Debug, Eq, PartialEq, Copy)]
+#[derive(
+    Serialize, Deserialize, Clone, Debug, Eq, PartialEq, Copy, utoipa::ToSchema,
+)]
 #[serde(rename_all = "kebab-case")]
 pub enum LegacySideType {
     Required,
@@ -290,7 +292,7 @@ impl LegacySideType {
 }
 
 /// A specific version of a project
-#[derive(Serialize, Deserialize, Clone)]
+#[derive(Serialize, Deserialize, Clone, utoipa::ToSchema)]
 pub struct LegacyVersion {
     /// Relevant V2 fields- these were removed or modified in V3,
     /// and are now part of the dynamic fields system
@@ -368,7 +370,7 @@ impl From<Version> for LegacyVersion {
     }
 }
 
-#[derive(Serialize, Deserialize, Clone, Debug)]
+#[derive(Serialize, Deserialize, Clone, Debug, utoipa::ToSchema)]
 pub struct LegacyGalleryItem {
     pub url: String,
     pub raw_url: String,
@@ -393,7 +395,9 @@ impl LegacyGalleryItem {
     }
 }
 
-#[derive(Serialize, Deserialize, Validate, Clone, Eq, PartialEq)]
+#[derive(
+    Serialize, Deserialize, Validate, Clone, Eq, PartialEq, utoipa::ToSchema,
+)]
 pub struct DonationLink {
     pub id: String,
     pub platform: String,