Add budget

budget.go

@@ -0,0 +1,17 @@
+package budgeteer
+
+import (
+	"time"
+)
+
+// Budget represents a budget
+type Budget struct {
+	ID               string
+	Name             string
+	LastModification time.Time
+}
+
+// BudgetService provides Methods for CRUD of Budgets
+type BudgetService interface {
+	Budget(id string) (Budget, error)
+}

postgres/budgets.sql

@@ -0,0 +1,5 @@
+CREATE TABLE budgets (
+    id char(26),
+    name text,
+    last_modification timestamp with time zone
+);