refactor: extract api implementation to package

Extracts the API implementation to a package so we can
potentially reuse it across different applications in the
event that we move off using a Next.js API route.

Additionally tidies up the tokens page and form to be more simplified.

packages/lib/server-only/public-api/get-all-user-tokens.ts

@@ -5,7 +5,7 @@ export type GetUserTokensOptions = {
 };
 
 export const getUserTokens = async ({ userId }: GetUserTokensOptions) => {
-  return prisma.apiToken.findMany({
+  return await prisma.apiToken.findMany({
     where: {
       userId,
     },
@@ -16,5 +16,8 @@ export const getUserTokens = async ({ userId }: GetUserTokensOptions) => {
       createdAt: true,
       expires: true,
     },
+    orderBy: {
+      createdAt: 'desc',
+    },
   });
 };