Add proof of concept

Author: sbussard

.babelrc

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+{
+  "presets": [
+    "stage-0",
+    "latest"
+  ],
+  "plugins": [
+    "transform-runtime"
+  ]
+}

.gitignore

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+.DS_Store
+node_modules

Readme.md

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+# lambda-graphql-apex
+
+Install [Apex](http://apex.run) and configure your [AWS Credentials](http://apex.run/#aws-credentials) then follow the instructions below.
+
+Install NPM dependencies:
+
+```
+$ npm install
+```
+
+Initialize the function role:
+```
+$ apex init
+```
+
+*This creates a folder at `./functions/hello`. You should delete it.*
+
+Add extra options from `project.json_stub` to generated `project.json` to include the runtime, handler and hook options.
+
+Deploy the functions:
+
+```
+$ apex deploy
+```
+
+Try it out:
+
+```
+$ apex invoke graphql-example < event.json
+```
+
+AWS Resources that will be created:
+- IAM role
+- IAM policy
+- Lambda function

event.json

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+{
+  "query": "{ hello }"
+}

functions/graphql-example/index.js

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+import { graphql, buildSchema } from 'graphql';
+import λ from 'apex.js';
+
+export default λ(e => {
+  let schema = buildSchema(`
+    type Query {
+      hello: String
+    }
+  `);
+
+  let root = {
+    hello: () => 'Hello World!'
+  };
+
+  return graphql(schema, e.query, root);
+});