shared library (#1080)

* shared project scaffold

* rules package

* move evaluators to shared lib

* add rxjs peer dependency

* use dedicated material namespaces

* create store package, move actions

* move selectors to shared library

* move generic effects to shared lib

* move routing extensions

* minor code reorg

* fix unit tests

* move content-api service

* move permission service

* update tests

* update plint config

* move page layout

* css variables

* use dedicated css property

* move generic error component to shared lib

* fix test

projects/aca-shared/src/lib/components/page-layout/page-layout.component.scss

@@ -0,0 +1,44 @@
+@import '../../styles/mixins.scss';
+
+.aca-page-layout {
+  @include flex-column;
+
+  .aca-page-layout-header {
+    display: flex;
+    align-items: center;
+    flex: 0 0 65px;
+    flex-basis: 48px;
+    background: #fafafa;
+    border-bottom: 1px solid var(--theme-border-color, rgba(0, 0, 0, 0.07));
+    padding: 0 24px;
+  }
+
+  .aca-page-layout-content {
+    @include flex-row;
+  }
+
+  .aca-page-layout-error {
+    @include flex-row;
+  }
+
+  .main-content {
+    @include flex-column;
+    border-right: 1px solid var(--theme-border-color, rgba(0, 0, 0, 0.07));
+  }
+
+  .scrollable {
+    overflow: auto !important;
+
+    .main-content {
+      overflow: auto !important;
+    }
+  }
+
+  .sidebar {
+    display: block;
+    height: 100%;
+    overflow-y: scroll;
+    max-width: 350px;
+    width: 350px;
+  }
+}