Changelog for 3.6.3 (codesandbox#3979)

* Changelog for 3.6.3

* added image for 3-6-3

* small tweak to image

Co-authored-by: Danny Ruchtie <[email protected]>

Author: garethx

packages/homepage/content/changelog/3-6-3/images/3-6-3.jpg

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+---
+banner: ./images/3-6-3.jpg
+title: v3.6.3
+slug: bug fixes v3.6.3
+date: 2020-04-23
+description: This release includes bug fixes.
+---
+
+###
+
+#### Features
+
+1. Added a config option to specify a custom start script in container sandboxes
+2. Usernames now autocomplete when inviting team members
+3. [@jyash97](https://github.com/codesandbox/codesandbox-client/pull/3936) added
+   a copy link to templates in the context menu on the dashboard
+4. Updated the styling of the preferences menu to match design changes in the
+   editor
+5. We now link to example sandboxes that use a dependency from the list of
+   dependencies in the editor
+
+#### Fixes
+
+- Updated the privacy policy to more clearly explain what data we store and why
+- The UI for editing Prettier and Sandbox config files now works properly again
+- Made TypeScript error language consistent with errors shown elsewhere in the
+  editor
+- [@tanmoyopenroot](https://github.com/codesandbox/codesandbox-client/pull/3881)
+  fixed refreshing of hash-based URLs in the preview window