feat: add custom locations management to ProxyHostForm

- Updated ProxyHostForm to include functionality for managing custom locations.
- Introduced add, remove, and update operations for locations in the form.
- Modified the ProxyHost interface to include an array of locations.
- Removed the advanced configuration textarea in favor of a more structured location input.
- Updated the frontend assets in index.html to reflect the latest build.

backend/internal/api/handlers/proxy_host_handler_test.go

@@ -20,7 +20,7 @@ func setupTestRouter(t *testing.T) (*gin.Engine, *gorm.DB) {
 
 	db, err := gorm.Open(sqlite.Open("file::memory:?cache=shared"), &gorm.Config{})
 	require.NoError(t, err)
-	require.NoError(t, db.AutoMigrate(&models.ProxyHost{}))
+	require.NoError(t, db.AutoMigrate(&models.ProxyHost{}, &models.Location{}))
 
 	h := NewProxyHostHandler(db)
 	r := gin.New()
@@ -33,7 +33,7 @@ func setupTestRouter(t *testing.T) (*gin.Engine, *gorm.DB) {
 func TestProxyHostLifecycle(t *testing.T) {
 	router, _ := setupTestRouter(t)
 
-	body := `{"name":"Media","domain":"media.example.com","target_scheme":"http","target_host":"media","target_port":32400}`
+	body := `{"name":"Media","domain_names":"media.example.com","forward_scheme":"http","forward_host":"media","forward_port":32400,"enabled":true}`
 	req := httptest.NewRequest(http.MethodPost, "/api/v1/proxy-hosts", strings.NewReader(body))
 	req.Header.Set("Content-Type", "application/json")
 
@@ -43,7 +43,7 @@ func TestProxyHostLifecycle(t *testing.T) {
 
 	var created models.ProxyHost
 	require.NoError(t, json.Unmarshal(resp.Body.Bytes(), &created))
-	require.Equal(t, "media.example.com", created.Domain)
+	require.Equal(t, "media.example.com", created.DomainNames)
 
 	listReq := httptest.NewRequest(http.MethodGet, "/api/v1/proxy-hosts", nil)
 	listResp := httptest.NewRecorder()