Transition: Nord Atom UI (#167)

> Transferred and improved old Nord Atom UI assets

This includes new screenshots for the Nord Atom UI repository as well as
all assets for the documentations and landing pages.

> Implemented landing and document pages for "Nord Atom UI"

This includes the initial sections for features and basic documentation
pages.

> Transferred and polished existing "Nord Atom UI" docs and assets

Initially this includes the install & activation guide, instructions
how to develop the theme and the available theme configurations.

GH-166

Author: arcticicestudio

assets/images/ports/atom-ui/overview-command-palette.png

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+/*
+ * Copyright (C) 2018-present Arctic Ice Studio <[email protected]>
+ * Copyright (C) 2018-present Sven Greb <[email protected]>
+ *
+ * Project:    Nord Docs
+ * Repository: https://github.com/arcticicestudio/nord-docs
+ * License:    MIT
+ */
+
+import React from "react";
+
+import { WaveFooter } from "atoms/core/vectors/divider";
+import Section, { Content } from "containers/core/Section";
+import { BookOpen, Zap } from "atoms/core/vectors/icons";
+import { ROUTE_DOCS_PORTS_ATOM_UI } from "config/routes/mappings";
+import { topicsGettingStarted, topicsReferences } from "data/components/organisms/page/docs/ports/atom-ui/topics";
+import { sectionIdFor } from "utils";
+import { colors } from "styles/theme";
+
+import { ContentsCard, CardGrid } from "../../../shared";
+
+const SECTION_ID = sectionIdFor(ROUTE_DOCS_PORTS_ATOM_UI, 1);
+
+/**
+ * The component that represents the contents section of the docs page for the "Nord Atom UI" port project.
+ *
+ * @author Arctic Ice Studio <[email protected]>
+ * @author Sven Greb <[email protected]>
+ * @since 0.19.0
+ */
+const SectionContents = () => (
+  <Section id={SECTION_ID} variant="tertiary">
+    <Content centered>
+      <CardGrid>
+        <ContentsCard
+          accentColor={colors.nord8}
+          logoComponent={Zap}
+          svgType="stroke"
+          title="Getting Started"
+          topics={topicsGettingStarted}
+        >
+          Learn how to install, activate, customize and develop the package.
+        </ContentsCard>
+        <ContentsCard accentColor={colors.nord10} logoComponent={BookOpen} title="References" topics={topicsReferences}>
+          Learn about supported packages and how to deal with occurring problems.
+        </ContentsCard>
+      </CardGrid>
+    </Content>
+    <WaveFooter />
+  </Section>
+);
+
+export default SectionContents;

assets/images/ports/atom-ui/overview-go.png

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+/*
+ * Copyright (C) 2018-present Arctic Ice Studio <[email protected]>
+ * Copyright (C) 2018-present Sven Greb <[email protected]>
+ *
+ * Project:    Nord Docs
+ * Repository: https://github.com/arcticicestudio/nord-docs
+ * License:    MIT
+ */
+
+export { default } from "./SectionContents";