Merged in feature/document (pull request #36)

Document CRUD

* doccreate

* dochashlocandget

* depsandtodo

database/migrations/00000000000006_documents.up.sql

@@ -1,5 +1,7 @@
 CREATE TABLE documents (
     id uuid primary key DEFAULT gen_random_uuid(),
     jobId uuid not null,
+    hash text not null,
+    location text not null,
     foreign key (jobId) references jobs(id)
 );

database/queries/document.sql

@@ -1,5 +1,5 @@
 -- name: GetDocument :one
-SELECT id, jobId FROM documents WHERE id = $1 LIMIT 1;
+SELECT id, jobId, hash, location FROM documents WHERE id = $1 LIMIT 1;
 
 -- name: CreateDocument :one
-INSERT INTO documents (jobId) VALUES ($1) RETURNING id;
+INSERT INTO documents (jobId, hash, location) VALUES ($1, $2, $3) RETURNING id;