Add new sync (#1093)

* Add record migration

* Add database functions for inserting history

No real tests yet :( I would like to avoid running postgres lol

* Add index handler, use UUIDs not strings

* Fix a bunch of tests, remove Option<Uuid>

* Add tests, all passing

* Working upload sync

* Record downloading works

* Sync download works

* Don't waste requests

* Use a page size for uploads, make it variable later

* Aaaaaand they're encrypted now too

* Add cek

* Allow reading tail across hosts

* Revert "Allow reading tail across hosts"

Not like that

This reverts commit 7b0c72e7e0.

* Handle multiple shards properly

* format

* Format and make clippy happy

* use some fancy types (#1098)

* use some fancy types

* fmt

* Goodbye horrible tuple

* Update atuin-server-postgres/migrations/20230623070418_records.sql

Co-authored-by: Conrad Ludgate <conradludgate@gmail.com>

* fmt

* Sort tests too because time sucks

* fix features

---------

Co-authored-by: Conrad Ludgate <conradludgate@gmail.com>

atuin-server-postgres/migrations/20230623070418_records.sql

@@ -0,0 +1,15 @@
+-- Add migration script here
+create table records (
+	id uuid primary key,            -- remember to use uuidv7 for happy indices <3
+    client_id uuid not null,        -- I am too uncomfortable with the idea of a client-generated primary key
+	host uuid not null,             -- a unique identifier for the host
+	parent uuid default null,       -- the ID of the parent record, bearing in mind this is a linked list
+	timestamp bigint not null,      -- not a timestamp type, as those do not have nanosecond precision
+	version text not null,
+	tag text not null,              -- what is this? history, kv, whatever. Remember clients get a log per tag per host
+	data text not null,            -- store the actual history data, encrypted. I don't wanna know!
+	cek text not null,            
+
+	user_id bigint not null,        -- allow multiple users
+	created_at timestamp not null default current_timestamp
+);