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/Toolbar.scss

@@ -0,0 +1,50 @@
+@import "open-color/open-color.scss";
+@import "../css/variables.module";
+
+.excalidraw {
+  .App-toolbar {
+    &.zen-mode {
+      .ToolIcon__keybinding,
+      .HintViewer {
+        display: none;
+      }
+    }
+
+    &__divider {
+      width: 1px;
+      height: 1.5rem;
+      align-self: center;
+      background-color: var(--default-border-color);
+      margin: 0 0.25rem;
+
+      @include isMobile {
+        margin: 0;
+      }
+    }
+  }
+
+  .App-toolbar__extra-tools-trigger {
+    box-shadow: none;
+    border: 0;
+    background-color: transparent;
+
+    &:active {
+      background-color: var(--button-hover-bg);
+      box-shadow: 0 0 0 1px
+        var(--button-active-border, var(--color-primary-darkest)) inset;
+    }
+
+    &--selected,
+    &--selected:hover {
+      background: var(--color-primary-light);
+      color: var(--color-primary);
+    }
+  }
+
+  .App-toolbar__extra-tools-dropdown {
+    margin-top: 0.375rem;
+    right: 0;
+    min-width: 11.875rem;
+    z-index: 1;
+  }
+}