doc(installation): added

doc/SUMMARY.md

@@ -1,6 +1,7 @@
 # Summary
 
 * [Introduction](README.md)
+* [Installation](installation.md)
 * [Quick start](Quick start.md)
 * [Configuration](configuration.md)
 * [Usage](usage.md)

doc/installation.md

@@ -0,0 +1,52 @@
+# Installation
+
+## Aureli-Cli
+
+Run `npm i aurelia-api` from your project root and add `aurelia-api` to the `build/bundles/dependencies` section of `aurelia-project/aurelia.json`.
+
+## Jspm
+
+Run `jspm i aurelia-api`
+
+If the installation results in having forks, try resolving them by running:
+
+```sh
+jspm inspect --forks
+jspm resolve --only registry:package-name@version
+```
+
+E.g.
+
+```sh
+jspm inspect --forks
+>     Installed Forks
+>         npm:aurelia-dependency-injection 1.0.0-beta.1.2.3 1.0.0-beta.2.1.0
+
+jspm resolve --only npm:aurelia-dependency-injection@1.0.0-beta.2.1.0
+```
+
+## Webpack
+
+Run `npm i aurelia-api` from your project root.
+
+## Typescript
+
+Add to your `typings.json`
+
+```js
+"aurelia-api": "github:spoonx/aurelia-api",
+```
+
+and run `typings i`
+
+or run
+
+```sh
+typings i github:spoonx/aurelia-api
+```
+
+Aurelia-api uses [extend](https://www.npmjs.com/package/extend). To get typings for extend run:
+
+```sh
+typings i dt~extend --global
+```