refactor: split satellite and launch provider modules

src/data/spaceProviderRequests.js

@@ -0,0 +1,17 @@
+/** Fixed upstream request URLs; callers own validation, credentials and transport. */
+export function celestrakTleUrl(group) {
+  const url = new URL('https://celestrak.org/NORAD/elements/gp.php');
+    url.searchParams.set('GROUP', group);
+    url.searchParams.set('FORMAT', 'tle');
+  return url;
+}
+
+export function launchLibraryRecentUrl(end) {
+    const start = new Date(end.getTime() - 30 * 86400000);
+    const url = new URL('https://ll.thespacedevs.com/2.3.0/launches/');
+    url.searchParams.set('net__gte', start.toISOString());
+    url.searchParams.set('net__lte', end.toISOString());
+    url.searchParams.set('limit', '100');
+    url.searchParams.set('mode', 'detailed');
+  return url;
+}