add react-codemirror2

package.json

@@ -61,6 +61,7 @@
     "body-parser": "^1.18.2",
     "bootstrap-sass": "~3.3.6",
     "check-node-version": "^3.1.1",
+    "codemirror": "^5.33.0",
     "connect-flash": "~0.1.1",
     "connect-redis": "^3.3.0",
     "cookie-parser": "^1.4.3",
@@ -112,6 +113,7 @@
     "react-bootstrap": "^0.31.3",
     "react-bootstrap-typeahead": "^2.0.2",
     "react-clipboard.js": "^1.1.2",
+    "react-codemirror2": "^3.0.7",
     "react-dom": "^16.0.0",
     "redis": "^2.7.1",
     "reveal.js": "^3.5.0",

yarn.lock

@@ -1413,6 +1413,10 @@ code-point-at@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
 
+codemirror@^5.33.0:
+  version "5.33.0"
+  resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.33.0.tgz#462ad9a6fe8d38b541a9536a3997e1ef93b40c6a"
+
 color-convert@^1.3.0, color-convert@^1.9.0:
   version "1.9.0"
   resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.9.0.tgz#1accf97dd739b983bf994d56fec8f95853641b7a"
@@ -5005,6 +5009,10 @@ react-clipboard.js@^1.1.2:
     clipboard "^1.6.1"
     prop-types "^15.5.0"
 
+react-codemirror2@^3.0.7:
+  version "3.0.7"
+  resolved "https://registry.yarnpkg.com/react-codemirror2/-/react-codemirror2-3.0.7.tgz#d5d9888158263ae56da766539d7803486566ab9f"
+
 react-dom@^16.0.0:
   version "16.0.0"
   resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.0.0.tgz#9cc3079c3dcd70d4c6e01b84aab2a7e34c303f58"