[Docs] Fix broken links and more

docs/dls/contributing-to-storybook.md

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+# Contributing to Storybook
+
+## Creating a new Story
+
+> A Story basically represents a single visual state of a component.
+
+To create a new story, create a new file located alongside the component you
+want to document on Storybook.
+
+See below an example of the structure:
+
+```
+core
+└── src
+    └── components
+        └── Progress
+            ├── Progress.tsx
+            └── Progress.stories.tsx
+```
+
+> _Note: make sure your component story file has the following format
+> componentName.stories.tsx_
+
+## Running locally
+
+Go to `packages/storybook`, run `yarn install` and install the dependencies,
+then run the following on your command line: `yarn start`
+
+![](running-storybook.png)
+
+_You should see a log like the image above._
+
+If everything worked out, your server will be running on **port 6006**, go to
+your browser and navigate to `http://localhost:6006/`. You should be able to
+navigate and see the Storybook page.
+
+![](storybook-page.png)