feat: initialization migration to Nuxt + Backend

This commit initializes both the Nuxt frontend and the Rust backend of
the new version of phundrak.com

backend/src/route/meta.rs

@@ -0,0 +1,86 @@
+use poem::Result;
+use poem_openapi::{ApiResponse, Object, OpenApi, payload::Json};
+
+use super::ApiCategory;
+use crate::settings::Settings;
+
+#[derive(Object, Debug, Clone, serde::Serialize, serde::Deserialize)]
+struct Meta {
+    version: String,
+    name: String,
+}
+
+impl From<poem::web::Data<&Settings>> for Meta {
+    fn from(value: poem::web::Data<&Settings>) -> Self {
+        let version = value.application.version.clone();
+        let name = value.application.name.clone();
+        Self { version, name }
+    }
+}
+
+#[derive(ApiResponse)]
+enum MetaResponse {
+    #[oai(status = 200)]
+    Meta(Json<Meta>),
+}
+
+pub struct MetaApi;
+
+#[OpenApi(prefix_path = "/v1/meta", tag = "ApiCategory::Meta")]
+impl MetaApi {
+    #[oai(path = "/", method = "get")]
+    async fn meta(&self, settings: poem::web::Data<&Settings>) -> Result<MetaResponse> {
+        tracing::event!(target: "backend", tracing::Level::DEBUG, "Accessing meta endpoint");
+        Ok(MetaResponse::Meta(Json(settings.into())))
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::settings::ApplicationSettings;
+
+    #[tokio::test]
+    async fn meta_endpoint_returns_correct_data() {
+        let app = crate::get_test_app();
+        let cli = poem::test::TestClient::new(app);
+        let resp = cli.get("/v1/meta").send().await;
+        resp.assert_status_is_ok();
+
+        // let json = resp.0.into_json().await;
+        // assert!(json.is_ok(), "Response should be valid JSON");
+        // let json_value: serde_json::Value = json.unwrap();
+
+        // assert!(json_value.get("version").is_some(), "Response should have version field");
+        // assert!(json_value.get("name").is_some(), "Response should have name field");
+    }
+
+    #[tokio::test]
+    async fn meta_endpoint_returns_200_status() {
+        let app = crate::get_test_app();
+        let cli = poem::test::TestClient::new(app);
+        let resp = cli.get("/v1/meta").send().await;
+        resp.assert_status_is_ok();
+    }
+
+    #[test]
+    fn meta_from_settings_conversion() {
+        let settings = Settings {
+            application: ApplicationSettings {
+                name: "test-app".to_string(),
+                version: "1.0.0".to_string(),
+                port: 8080,
+                host: "127.0.0.1".to_string(),
+                base_url: "http://localhost:8080".to_string(),
+                protocol: "http".to_string(),
+            },
+            debug: false,
+            email: crate::settings::EmailSettings::default(),
+            frontend_url: "http://localhost:3000".to_string(),
+        };
+
+        let meta: Meta = poem::web::Data(&settings).into();
+        assert_eq!(meta.name, "test-app");
+        assert_eq!(meta.version, "1.0.0");
+    }
+}