feat: lead schemas

Author: zcesur

priv/repo/migrations/20250529235210_create_leads_and_lead_jobs.exs

@@ -0,0 +1,31 @@
+defmodule Algora.Repo.Migrations.CreateLeadsAndLeadJobs do
+  use Ecto.Migration
+
+  def change do
+    create table(:leads) do
+      add :handle, :citext, null: false
+      add :name, :string, null: false
+      add :bio, :text
+      add :avatar_url, :text
+
+      timestamps()
+    end
+
+    create unique_index(:leads, [:handle])
+
+    create table(:lead_jobs) do
+      add :lead_id, references(:leads, on_delete: :delete_all), null: false
+      add :title, :string, null: false
+      add :description, :text
+      add :tech_stack, {:array, :citext}, default: []
+      add :match_ids, {:array, :string}, default: []
+      add :location, :string
+      add :countries, {:array, :citext}, default: []
+      add :regions, {:array, :citext}, default: []
+
+      timestamps()
+    end
+
+    create index(:lead_jobs, [:lead_id])
+  end
+end