Initial commit: Add project files

templates/sql/Migration.sql.template

@@ -0,0 +1,12 @@
+-- Immutable ordered DbUp migration. Never rewrite after release.
+create schema if not exists __schema__;
+
+create table if not exists __schema__.__table__ (
+    id uuid primary key,
+    source_id text not null,
+    published_at timestamptz not null,
+    ingested_at timestamptz not null,
+    revision_no integer not null,
+    content_hash text not null,
+    unique (source_id, revision_no)
+);