Refactoring: add deprecation warnings

scripts/generateIncludedImages.ts

@@ -4,7 +4,7 @@ function genImages(dryrun = false) {
     const dir = fs.readdirSync("./assets/svg")
 
     let module =
-        'import Img from "./UI/Base/Img";\nimport {FixedUiElement} from "./UI/Base/FixedUiElement";\n\nexport default class Svg {\n\n\n'
+        'import Img from "./UI/Base/Img";\nimport {FixedUiElement} from "./UI/Base/FixedUiElement";\n\n/* @deprecated */\nexport default class Svg {\n\n\n'
     const allNames: string[] = []
     for (const path of dir) {
         if (path.endsWith("license_info.json")) {

src/UI/UIElement.ts

@@ -1,5 +1,8 @@
 import BaseUIElement from "./BaseUIElement"
 
+/**
+ * @deprecated
+ */
 export abstract class UIElement extends BaseUIElement {
     /**
      * Should be overridden for specific HTML functionality