chore: Remove old non maintained examples

Author: npalm

docs/examples/index.md

@@ -0,0 +1,11 @@
+# Examples
+
+Examples are located in the [examples](https://github.com/philips-labs/terraform-aws-github-runner/tree/main/examples) directory. The following examples are provided:
+
+- _[Default](default.md)_: The default example of the module
+- _[Ephemeral](ephemeral.md)_: Example usages of ephemeral runners based on the default example.
+- _[Multi Runner](multi-runner.md)_ : Example usage of creating a multi runner which creates multiple runners/ configurations with a single deployment. The examples including: "arm64", "windows", and "ubuntu" runners.
+- _[Permissions boundary](permissions-boundary.md)_: Example usages of permissions boundaries.
+- _[Prebuilt Images](prebuilt.md)_: Example usages of deploying runners with a custom prebuilt image.
+- _[Windows](windows.md)_: Example usage of creating a runner using Windows as the OS.
+- _[Termination watcher](termination-watcher.md)_: Example usages of termination watcher.