Update and Migrate Diesel to 2.0

Almost have tag support working, still figuring out how to get photo
tags.

src/error.rs

@@ -0,0 +1,14 @@
+use actix_web::{error::InternalError, http::StatusCode};
+
+pub trait IntoHttpError<T> {
+    fn into_http_internal_err(self) -> Result<T, actix_web::Error>;
+}
+
+impl<T> IntoHttpError<T> for Result<T, anyhow::Error> {
+    fn into_http_internal_err(self) -> Result<T, actix_web::Error> {
+        self.map_err(|e| {
+            log::error!("Map to err: {:?}", e);
+            InternalError::new(e, StatusCode::INTERNAL_SERVER_ERROR).into()
+        })
+    }
+}