Make example project work with cloud ingesting (#18)

* make example project work with cloud ingesting

* make placeholders consistent

Author: ayoisaiah

example-project/README.md

@@ -12,10 +12,10 @@ bundle install
 
 This will install all dependencies listed in the `Gemfile.lock` file.
 
-Then replace `<SOURCE_TOKEN>` in `config.ru` with your actual source token which you can find by going to [Better Stack Logs](https://logs.betterstack.com/dashboard) -> Source -> Edit.
+Then replace `<source_token>` and `<ingesting_host>` in `config.ru` with your actual source token and ingesting host which you can find by going to [Better Stack Telemetry](https://teleemetry.betterstack.com/dashboard) -> Source -> Configure.
 
 ```ruby
-http_io_device = Logtail::LogDevices::HTTP.new("<YOUR_ACTUAL_SOURCE_TOKEN>")
+http_io_device = Logtail::LogDevices::HTTP.new("<source_token>", logtail_host: "<ingesting_host>")
 ```
 
 ## Run the example project

example-project/config.ru

@@ -6,8 +6,8 @@ use Logtail::Integrations::Rack::HTTPContext
 use Logtail::Integrations::Rack::HTTPEvents
 use Logtail::Integrations::Rack::ErrorEvent
 
-# HTTP IO device sends logs to Better Stack, replace <SOURCE_TOKEN> with your real source token
-http_io_device = Logtail::LogDevices::HTTP.new("<SOURCE_TOKEN>")
+# HTTP IO device sends logs to Better Stack, replace <source_token> and <ingesting_host> with your real source token and ingesting host
+http_io_device = Logtail::LogDevices::HTTP.new("<source_token>", logtail_host: "<ingesting_host>")
 
 # STDOUT IO device sends logs to console output
 stdout_io_device = STDOUT