Separate feats from demos

docs/features.md

 # Features
 
+You can watch demos for some of these features [below](#demos).
+
 - Warning and error diagnostics from GHC
 - Type information and documentation on hover, [including your own comments](./configuration.md#how-to-show-local-documentation-on-hover).
 - Jump to definition: [for now only for local code definitions](https://github.com/haskell/haskell-language-server/issues/708)
 - Document symbols
 - Highlight references in document
 - Code completion
-- Formatting via Brittany, Floskell, Fourmolu, Ormolu or Stylish Haskell
-- Code evaluation (Haskell Language Server), see ([Tutorial](https://github.com/haskell/haskell-language-server/blob/master/plugins/hls-eval-plugin/README.md))
+- Formatting via [Brittany](https://github.com/lspitzner/brittany), [Floskell](https://github.com/ennocramer/floskell), [Fourmolu](https://github.com/fourmolu/fourmolu), [Ormolu](https://github.com/tweag/ormolu) or [Stylish Haskell](https://github.com/haskell/stylish-haskell)
+- [Code evaluation](#code-evaluation), see its [Tutorial](https://github.com/haskell/haskell-language-server/blob/master/plugins/hls-eval-plugin/README.md)
+- [Integration with](#retrie-integration) [retrie](https://hackage.haskell.org/package/retrie), a powerful, easy-to-use codemodding tool
+- [Code lenses for explicit import lists](#explicit-import-lists)
+- [Generate functions from type signatures, and intelligently complete holes using](#wingman) [Wingman (tactics)](https://github.com/haskell/haskell-language-server/tree/master/plugins/hls-tactics-plugin)
+- [Integration with](#hlint) [hlint](https://github.com/ndmitchell/hlint), the most used haskell linter, to show diagnostics and apply hints via [apply-refact](https://github.com/mpickering/apply-refact)
+- [Module name suggestions](#module-names) for insertion or correction
+- [Call hierarchy support](#call-hierarchy)
+
+## Demos
+
+### Code evaluation
 
-  ![Eval Demo](https://raw.githubusercontent.com/haskell/haskell-language-server/master/plugins/hls-eval-plugin/demo.gif)
+![Eval Demo](https://raw.githubusercontent.com/haskell/haskell-language-server/master/plugins/hls-eval-plugin/demo.gif)
 
-- Integration with [retrie](https://hackage.haskell.org/package/retrie)
+### Retrie integration
 
-  ![Retrie Demo](https://i.imgur.com/Ev7B87k.gif)
+![Retrie Demo](https://i.imgur.com/Ev7B87k.gif)
 
-- Code lenses for explicit import lists
+### Explicit import lists
 
-  ![Imports code lens Demo](https://imgur.com/pX9kvY4.gif)
+![Imports code lens Demo](https://imgur.com/pX9kvY4.gif)
 
-- Generate functions from type signatures, and intelligently complete holes using [Wingman (tactics)](https://github.com/haskell/haskell-language-server/tree/master/plugins/hls-tactics-plugin)
+### Wingman
 
-  ![Wingman Demo](https://user-images.githubusercontent.com/307223/92657198-3d4be400-f2a9-11ea-8ad3-f541c8eea891.gif)
+![Wingman Demo](https://user-images.githubusercontent.com/307223/92657198-3d4be400-f2a9-11ea-8ad3-f541c8eea891.gif)
 
-- Integration with [hlint](https://github.com/ndmitchell/hlint) to show diagnostics and apply hints via [apply-refact](https://github.com/mpickering/apply-refact)
+### Hlint
 
-  ![Hlint Demo](https://user-images.githubusercontent.com/54035/110860028-8f9fa900-82bc-11eb-9fe5-6483d8bb95e6.gif)
+![Hlint Demo](https://user-images.githubusercontent.com/54035/110860028-8f9fa900-82bc-11eb-9fe5-6483d8bb95e6.gif)
 
-- Module name suggestions for insertion or correction
+### Module names
 
-  ![Module Name Demo](https://user-images.githubusercontent.com/54035/110860755-78ad8680-82bd-11eb-9845-9ea4b1cc1f76.gif)
+![Module Name Demo](https://user-images.githubusercontent.com/54035/110860755-78ad8680-82bd-11eb-9845-9ea4b1cc1f76.gif)
 
-- Call hierarchy support
+### Call hierarchy
 
-  ![Call Hierarchy in VSCode](https://github.com/haskell/haskell-language-server/raw/2857eeece0398e1cd4b2ffb6069b05c4d2308b39/plugins/hls-call-hierarchy-plugin/call-hierarchy-in-vscode.gif)
+![Call Hierarchy in VSCode](https://github.com/haskell/haskell-language-server/raw/2857eeece0398e1cd4b2ffb6069b05c4d2308b39/plugins/hls-call-hierarchy-plugin/call-hierarchy-in-vscode.gif)