Merge pull request #15 from iMattPro/minor

Minor update

README.md

@@ -12,6 +12,25 @@ An official phpBB extension that allows board users to receive browser-based pus
 
 Please fork this repository and submit a pull request to contribute to this extension.
 
+To run this extension from the repo (and not from a pre-built package) on a local server, perform the following tasks:
+
+- Fork phpbb-extensions/webpushnotifications to your GitHub account, then create a local clone of it:
+  ```bash
+  git clone https://github.com/your_github_name/webpushnotifications.git
+  ```
+- Install this extension's dependencies (from the root of your webpushnotifications repo):
+  ```bash
+  cd webpushnotifications # navigate into the root of your webpushnotifications repo
+  php composer.phar install # installs extension's 3rd-party dependencies 
+  ```
+- Install the extension to your local phpBB forum by moving your local repo to the proper phpBB directory:
+  ```bash
+  cd ../ # back out one directory level
+  mv webpushnotifications path_to_phpBB/ext/phpbb # move webpushnotifications to your phpBB/ext/phpbb directory
+  cd path_to_phpBB # navigate to your phpBB forum's root directory
+  php bin/phpbbcli.php extension:enable phpbb/webpushnotifications # install the extension
+  ```
+
 ## License
 
 [GNU General Public License v2](license.txt)