Trim Whitespace From Input Fields

When pasting text in the user or post fields,
some unwanted whitespace may occur, especially from mobile device.
Currently, if this whitespace is before the username or the post,
Bibliogram returns 404.
This patch prevents this by trimming the unwanted whitespace.

src/site/api/routes.js

@@ -71,7 +71,7 @@ module.exports = [
 				username = username.replace(/^(https?:\/\/)?([a-z]+\.)?instagram\.com\//, "")
 				username = username.replace(/^\@+/, "")
 				username = username.replace(/\/+$/, "")
-				username = username.toLowerCase()
+				username = username.toLowerCase().trim()
 				return redirect(`/u/${username}`, 301)
 			} else {
 				return render(400, "pug/friendlyerror.pug", {
@@ -264,7 +264,7 @@ module.exports = [
 	{
 		route: "/p", methods: ["GET"], code: async ({url}) => {
 			if (url.searchParams.has("p")) {
-				let post = url.searchParams.get("p")
+				let post = url.searchParams.get("p").trim()
 				post = post.replace(/^(https?:\/\/)?([a-z]+\.)?instagram\.com\/p\//, "")
 				return redirect(`/p/${post}`, 301)
 			} else {