fix(migrations): create contact notes table query

Author: abhinavxd

internal/migrations/v0.6.0.go

@@ -116,7 +116,7 @@ func V0_6_0(db *sqlx.DB, fs stuffbin.FileSystem, ko *koanf.Koanf) error {
 
 	// Create contact notes table.
 	_, err = db.Exec(`
-		CREATE TABLE contact_notes (
+		CREATE TABLE IF NOT EXISTS contact_notes (
 			id SERIAL PRIMARY KEY,
 			created_at TIMESTAMPTZ DEFAULT NOW(),
 			updated_at TIMESTAMPTZ DEFAULT NOW(),