add PowerShell langauge (#174)

* add PowerShell langauge

* remove npm lockfile

* update lockfile

README.md

@@ -69,6 +69,7 @@ Carbon is a project by <a href="http://dawnlabs.io/"><img width=8% src="https://
 Thanks goes out to all these wonderful people ([emoji key](https://github.com/kentcdodds/all-contributors#emoji-key)):
 
 <!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
+<!-- prettier-ignore -->
 | [<img src="https://avatars0.githubusercontent.com/u/10078572?v=4" width="100px;"/><br /><sub><b>briandennis</b></sub>](https://github.com/briandennis)<br />[💻](https://github.com/dawnlabs/carbon/commits?author=briandennis "Code") [📖](https://github.com/dawnlabs/carbon/commits?author=briandennis "Documentation") [🚇](#infra-briandennis "Infrastructure (Hosting, Build-Tools, etc)") [👀](#review-briandennis "Reviewed Pull Requests") | [<img src="https://avatars0.githubusercontent.com/u/8397708?v=4" width="100px;"/><br /><sub><b>mfix22</b></sub>](https://github.com/mfix22)<br />[💬](#question-mfix22 "Answering Questions") [💻](https://github.com/dawnlabs/carbon/commits?author=mfix22 "Code") [🤔](#ideas-mfix22 "Ideas, Planning, & Feedback") | [<img src="https://avatars1.githubusercontent.com/u/10369094?v=4" width="100px;"/><br /><sub><b>jakedex</b></sub>](https://github.com/jakedex)<br />[💬](#question-jakedex "Answering Questions") [💻](https://github.com/dawnlabs/carbon/commits?author=jakedex "Code") [🎨](#design-jakedex "Design") [📹](#video-jakedex "Videos") | [<img src="https://avatars1.githubusercontent.com/u/10191084?v=4" width="100px;"/><br /><sub><b>andrewda</b></sub>](https://github.com/andrewda)<br />[💬](#question-andrewda "Answering Questions") [💻](https://github.com/dawnlabs/carbon/commits?author=andrewda "Code") [🐛](https://github.com/dawnlabs/carbon/issues?q=author%3Aandrewda "Bug reports") [👀](#review-andrewda "Reviewed Pull Requests") | [<img src="https://avatars2.githubusercontent.com/u/14703164?v=4" width="100px;"/><br /><sub><b>yeskunall</b></sub>](https://github.com/yeskunall)<br />[💻](https://github.com/dawnlabs/carbon/commits?author=yeskunall "Code") [📖](https://github.com/dawnlabs/carbon/commits?author=yeskunall "Documentation") [🔧](#tool-yeskunall "Tools") [🐛](https://github.com/dawnlabs/carbon/issues?q=author%3Ayeskunall "Bug reports") | [<img src="https://avatars1.githubusercontent.com/u/2652676?v=4" width="100px;"/><br /><sub><b>stoshfabricius</b></sub>](https://github.com/stoshfabricius)<br />[💻](https://github.com/dawnlabs/carbon/commits?author=stoshfabricius "Code") | [<img src="https://avatars1.githubusercontent.com/u/11639896?v=4" width="100px;"/><br /><sub><b>jkling38</b></sub>](https://github.com/jkling38)<br />[📖](https://github.com/dawnlabs/carbon/commits?author=jkling38 "Documentation") |
 | :---: | :---: | :---: | :---: | :---: | :---: | :---: |
 | [<img src="https://avatars1.githubusercontent.com/u/225946?v=4" width="100px;"/><br /><sub><b>otobrglez</b></sub>](https://github.com/otobrglez)<br />[💻](https://github.com/dawnlabs/carbon/commits?author=otobrglez "Code") | [<img src="https://avatars3.githubusercontent.com/u/11488612?v=4" width="100px;"/><br /><sub><b>darahak</b></sub>](https://github.com/darahak)<br />[📖](https://github.com/dawnlabs/carbon/commits?author=darahak "Documentation") | [<img src="https://avatars0.githubusercontent.com/u/246651?v=4" width="100px;"/><br /><sub><b>dom96</b></sub>](https://github.com/dom96)<br />[💻](https://github.com/dawnlabs/carbon/commits?author=dom96 "Code") | [<img src="https://avatars3.githubusercontent.com/u/784056?v=4" width="100px;"/><br /><sub><b>elrumordelaluz</b></sub>](https://github.com/elrumordelaluz)<br />[💻](https://github.com/dawnlabs/carbon/commits?author=elrumordelaluz "Code") | [<img src="https://avatars2.githubusercontent.com/u/21217?v=4" width="100px;"/><br /><sub><b>cjb</b></sub>](https://github.com/cjb)<br />[💻](https://github.com/dawnlabs/carbon/commits?author=cjb "Code") | [<img src="https://avatars1.githubusercontent.com/u/5427083?v=4" width="100px;"/><br /><sub><b>Krzysztof-Cieslak</b></sub>](https://github.com/Krzysztof-Cieslak)<br />[💻](https://github.com/dawnlabs/carbon/commits?author=Krzysztof-Cieslak "Code") | [<img src="https://avatars0.githubusercontent.com/u/2369851?v=4" width="100px;"/><br /><sub><b>fernahh</b></sub>](https://github.com/fernahh)<br />[📖](https://github.com/dawnlabs/carbon/commits?author=fernahh "Documentation") |

lib/constants.js

@@ -287,6 +287,10 @@ export const LANGUAGES = [
     name: 'PHP',
     mode: 'php'
   },
+  {
+    name: 'PowerShell',
+    mode: 'powershell'
+  },
   {
     name: 'Python',
     mode: 'python'