Add basic documentation

Author: tidal

README.md

@@ -1,2 +1,48 @@
-# opentelemetry-php-contrib
-opentelemetry-php-contrib
+# OpenTelemetry php contrib library
+
+## Current Project Status
+This project currently lives in a pre-alpha status.  Our current release is not production ready; it has been created in order to receive feedback from the community.
+
+For more information, please, consult the documentation of the main [OpenTelemetry php project](https://github.com/open-telemetry/opentelemetry-php).
+
+## Installation
+The recommended way to install the library is through [Composer](http://getcomposer.org):
+
+1.)  Install the composer package using [Composer's installation instructions](https://getcomposer.org/doc/00-intromd#installation-linux-unix-macos).
+
+2.)  Add
+```bash
+    "minimum-stability": "dev",
+    "prefer-stable": true,
+    "repositories": [
+        {
+            "type": "vcs",
+            "url": "https://github.com/open-telemetry/opentelemetry-php-contrib"
+        }
+    ],
+```
+
+To your project's `composer.json` file, as this utility has not reached a stable release status yet, 
+and is not yet registered on packagist.org
+
+3.)  Install the dependency with composer:
+
+```bash
+$ composer require open-telemetry/opentelemetry-php-contrib
+```
+
+## Usage/Examples
+
+### AWS
+- You can find examples on how to use the ASW classes in the  [examples directory](/examples/aws/README.md).
+
+### Symfony
+#### SdkBundle
+- The documentation for the Symfony SdkBundle can be found [here](/src/instrumentation/symfony/OtelSdkBundle/README.md).
+- An example symfony application using the SdkBundle can be found [here](https://github.com/tidal/otel-sdk-bundle-example-sf5).
+
+
+## Development
+
+Please, consult the documentation of the main [OpenTelemetry php project](https://github.com/open-telemetry/opentelemetry-php).
+