initial commit. Created a basic webpack.config.js file, some basic .babelrc settings, and some notes on the build

.babelrc

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+{
+    "presets": ["env"],
+    "plugins": ["transform-react-jsx"]
+}

.gitignore

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+*~
+*.retry
+node_modules/
+build/

docs/build-notes.md

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+# Building the plugin
+
+These are some basic notes on building the plugin
+
+## yarn
+
+The subscription-manager plugin for cockpit is built using webpack 2.x.  Although npm can be used to install the various
+dependencies, it is recommended to install [yarn][-yarnpkg] and use it instead:
+
+```
+yarn install
+```
+
+After this command finishes, all the node_modules will be installed.
+
+## babel
+
+The .babelrc file contains the settings for the various things babel can do, namely transform es6 to es5 code, and to
+transform react jsx code to regular javascript. When building, the webpack.config.js setting will output a bundled file
+in ./build/bundle.js.  It will run the babel-loader plugin to transform es6 to es5
+
+**TODO**: Figure out how to configure babelrc to transform jsx code
+
+## index.js
+
+This is the entry point for webpack, and will most likely contain the main parent react component.
+
+
+## Directory layout
+
+**TODO**: describe the high level layout of the folders, eg. component folder is for react components.
+
+# Making a build
+
+To actually build the plugin, simply run:
+
+```
+yarn run build
+```
+
+or alternatively if you didn't install yarn:
+
+```
+npm run build
+```
+
+This works because the package.json file has a scripts object, and the build key tells us to run the webpack command
+with the build option.
+
+Why do it this way instead of just doing `npm install -g webpack` and then `webpack build`?  By doing that, different
+users trying to build the plugin might have different versions of webpack installed.  By installing webpack as a dev
+dependency, and then using yarn or npm to run a command, it will use the webpack version installed locally.
+
+[-yarnpkg]: https://yarnpkg.com

package.json

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+{
+  "name": "subscription-manager",
+  "version": "0.1.0",
+  "description": "a plugin for cockpit to manage subscriptions",
+  "main": "index.js",
+  "repository": "git@github.com:rarebreed/subscription-manager.git",
+  "author": "",
+  "license": "LGPL-2.1",
+  "scripts": {
+    "build": "webpack"
+  },
+  "devDependencies": {
+    "babel-core": "^6.25.0",
+    "babel-loader": "^7.0.0",
+    "babel-plugin-transform-react-jsx": "^6.24.1",
+    "babel-preset-env": "^1.5.2",
+    "webpack": "^2.6.1"
+  },
+  "dependencies": {
+    "react": "^15.6.0",
+    "react-dom": "^15.6.0"
+  }
+}

webpack.config.js

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+const path = require("path");
+
+module.exports = {
+    entry: ["./src/index.js"],
+    output: {
+        filename: "bundle.js",
+        path: path.resolve(__dirname, "build")
+    },
+    module: {
+        rules: [
+            {
+              exclude: /node_modules/,
+              loader: 'babel-loader',
+              test: /\.js$/
+            }
+        ]
+    }
+}