Added webpack, ESLint and polyfill.io usage

Author: bassarisse

.eslintrc

@@ -0,0 +1,56 @@
+{
+  "parser": "babel-eslint",
+  "parserOptions": {
+    "sourceType": "module",
+    "ecmaFeatures": {
+      "jsx": true,
+      "modules": true
+    }
+  },
+  "env": {
+    "es6": true,
+    "browser": true,
+    "commonjs": true
+  },
+  "globals": {
+    "APP_VERSION": true
+  },
+  "extends": [
+    "plugin:import/errors",
+    "plugin:import/warnings",
+  ],
+  "settings": {
+    "import/resolver": "webpack"
+  },
+  "rules": {
+    "key-spacing": [1, {
+      "beforeColon": false,
+      "afterColon": true
+    }],
+    "comma-spacing": [1, {
+      "before": false,
+      "after": true
+    }],
+    "object-curly-spacing": ["warn", "always"],
+    "no-trailing-spaces": ["warn"],
+    "no-multiple-empty-lines": ["warn", { "max": 1 }],
+    "no-undef": 1,
+    "quotes": [1, "single"],
+    "jsx-quotes": ["warn", "prefer-single"],
+    "eol-last": ["warn", "always"],
+    "no-underscore-dangle": 0,
+    "no-unused-vars": 1,
+    "no-debugger": 1,
+    "no-console": 1,
+    "react/jsx-uses-react": 2,
+    "react/jsx-uses-vars": 2,
+    "react/react-in-jsx-scope": 2,
+    "react/jsx-no-undef": 2,
+    "indent": ["warn", 4],
+    "semi": ["warn", "never"]
+  },
+  "plugins": [
+    "react",
+    "import"
+  ]
+}

.gitignore

@@ -0,0 +1,36 @@
+*.suo
+
+# Logs
+logs
+*.log
+
+# Runtime data
+pids
+*.pid
+*.seed
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directory
+# Commenting this out is preferred by some people, see
+# https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git-
+node_modules
+
+# Users Environment Variables
+.lock-wscript
+
+workspace.xml
+.idea/encodings.xml
+.idea/vcs.xml
+
+**/build/*