add db migration for experiences

Author: zcesur

priv/repo/migrations/20250808111825_create_experiences.exs

@@ -0,0 +1,29 @@
+defmodule Algora.Repo.Migrations.CreateExperiences do
+  use Ecto.Migration
+
+  def change do
+    create table(:experiences, primary_key: false) do
+      add :id, :string, primary_key: true
+      add :user_id, references(:users, type: :string, on_delete: :delete_all), null: false
+      add :title, :text, null: false
+      add :company, :text, null: false
+      add :employment_type, :string
+      add :location, :text
+      add :description, :text
+      add :skills, {:array, :text}, default: []
+      add :start_date, :date
+      add :end_date, :date
+      add :is_current, :boolean, default: false
+      add :duration_text, :text
+      add :company_url, :text
+      add :source, :string
+
+      timestamps()
+    end
+
+    create index(:experiences, [:user_id])
+    create index(:experiences, [:start_date])
+    create index(:experiences, [:user_id, :start_date])
+    create index(:experiences, [:user_id, :is_current])
+  end
+end