build: decouple package deps and introduce yarn workspaces (#7415)

* feat: decouple package deps and introduce yarn workspaces

* update root directory

* fix

* fix scripts

* fix lint

* update path in scripts

* remove yarn.lock files from packages

* ignore workspace

* dummy

* dummy

* remove comment check

* revert workflow changes

* ignore ws when installing gh actions

* remove log

* update path

* fix

* fix typo

packages/excalidraw/scene/index.ts

@@ -0,0 +1,19 @@
+export { isOverScrollBars } from "./scrollbars";
+export {
+  isSomeElementSelected,
+  getElementsWithinSelection,
+  getCommonAttributeOfSelectedElements,
+  getSelectedElements,
+  getTargetElements,
+} from "./selection";
+export { calculateScrollCenter } from "./scroll";
+export {
+  hasBackground,
+  hasStrokeWidth,
+  hasStrokeStyle,
+  canHaveArrowheads,
+  canChangeRoundness,
+  getElementAtPosition,
+  getElementsAtPosition,
+} from "./comparisons";
+export { getNormalizedZoom } from "./zoom";