chore(package): add missing 'autoprefixer'

Author: matteocng

package.json

@@ -47,6 +47,7 @@
     "webpack-dev-server": "^2.4.5"
   },
   "devDependencies": {
+    "autoprefixer": "^7.1.1",
     "babel-cli": "^6.18.0",
     "babel-core": "^6.21.0",
     "babel-eslint": "^7.1.1",

yarn.lock

@@ -226,6 +226,17 @@ autoprefixer@^6.3.1:
     postcss "^5.2.6"
     postcss-value-parser "^3.2.3"
 
+autoprefixer@^7.1.1:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-7.1.1.tgz#97bc854c7d0b979f8d6489de547a0d17fb307f6d"
+  dependencies:
+    browserslist "^2.1.3"
+    caniuse-lite "^1.0.30000670"
+    normalize-range "^0.1.2"
+    num2fraction "^1.2.2"
+    postcss "^6.0.1"
+    postcss-value-parser "^3.2.3"
+
 aws-sign2@~0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.6.0.tgz#14342dd38dbcc94d0e5b87d763cd63612c0e794f"
@@ -980,6 +991,13 @@ browserify-zlib@^0.1.4:
   dependencies:
     pako "~0.2.0"
 
+browserslist@^2.1.3:
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-2.1.4.tgz#cc526af4a1312b7d2e05653e56d0c8ab70c0e053"
+  dependencies:
+    caniuse-lite "^1.0.30000670"
+    electron-to-chromium "^1.3.11"
+
 browserslist@~1.5.1:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-1.5.1.tgz#67c3f2a1a6ad174cd01d25d2362e6e6083b26986"
@@ -1054,6 +1072,10 @@ caniuse-db@^1.0.30000601, caniuse-db@^1.0.30000602:
   version "1.0.30000602"
   resolved "https://registry.yarnpkg.com/caniuse-db/-/caniuse-db-1.0.30000602.tgz#06b2cbfb6c3aeef7ddb18cd588043549ad1a2d4e"
 
+caniuse-lite@^1.0.30000670:
+  version "1.0.30000674"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000674.tgz#3eabc5e40ae2dce6375dd292f116b9e25bd505a7"
+
 caseless@~0.11.0:
   version "0.11.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.11.0.tgz#715b96ea9841593cc33067923f5ec60ebda4f7d7"
@@ -1652,6 +1674,10 @@ ee-first@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
 
+electron-to-chromium@^1.3.11:
+  version "1.3.13"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.13.tgz#1b3a5eace6e087bb5e257a100b0cbfe81b2891fc"
+
 elliptic@^6.0.0:
   version "6.3.2"
   resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.3.2.tgz#e4c81e0829cf0a65ab70e998b8232723b5c1bc48"
@@ -3881,7 +3907,7 @@ postcss@^5.0.10, postcss@^5.0.11, postcss@^5.0.12, postcss@^5.0.13, postcss@^5.0
     source-map "^0.5.6"
     supports-color "^3.1.2"
 
-postcss@^6.x:
+postcss@^6.0.1, postcss@^6.x:
   version "6.0.1"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-6.0.1.tgz#000dbd1f8eef217aa368b9a212c5fc40b2a8f3f2"
   dependencies: