add query and data types in prep for bulk record json response

queries/records/get_records.sql

@@ -0,0 +1,6 @@
+SELECT
+    cache_name,
+    uploaded,
+    downloads,
+    max_downloads
+FROM records;

queries/records/get_records_page.sql

@@ -0,0 +1,7 @@
+SELECT
+    cache_name,
+    uploaded,
+    downloads,
+    max_downloads
+FROM records
+LIMIT ? OFFSET ?;

src/views/templates.rs

@@ -39,6 +39,12 @@ pub struct DownloadLinkFragment {
     pub record: UploadRecord,
 }
 
+#[derive(Template)]
+#[template(path = "link.html", block = "downloads_remaining")]
+pub struct DownloadsRemainingFragment {
+    pub record: UploadRecord,
+}
+
 #[derive(Template)]
 #[template(path = "linklist.html")]
 pub struct LinkListTemplate {