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/components/HelpButton.tsx

@@ -0,0 +1,20 @@
+import { t } from "../i18n";
+import { HelpIcon } from "./icons";
+
+type HelpButtonProps = {
+  name?: string;
+  id?: string;
+  onClick?(): void;
+};
+
+export const HelpButton = (props: HelpButtonProps) => (
+  <button
+    className="help-icon"
+    onClick={props.onClick}
+    type="button"
+    title={`${t("helpDialog.title")} — ?`}
+    aria-label={t("helpDialog.title")}
+  >
+    {HelpIcon}
+  </button>
+);