[sc-205159] Update README with current number of flags served (#156)

Story details: https://app.shortcut.com/launchdarkly/story/205159

README.md

@@ -6,7 +6,7 @@
 
 ## LaunchDarkly overview
 
-[LaunchDarkly](https://www.launchdarkly.com) is a feature management platform that serves over 100 billion feature flags daily to help teams build better software, faster. [Get started](https://docs.launchdarkly.com/home/getting-started) using LaunchDarkly today!
+[LaunchDarkly](https://www.launchdarkly.com) is a feature management platform that serves trillions of feature flags daily to help teams build better software, faster. [Get started](https://docs.launchdarkly.com/home/getting-started) using LaunchDarkly today!
 
 [![Twitter Follow](https://img.shields.io/twitter/follow/launchdarkly.svg?style=social&label=Follow&maxAge=2592000)](https://twitter.com/intent/follow?screen_name=launchdarkly)
 
@@ -24,7 +24,7 @@ Refer to the [SDK documentation](https://docs.launchdarkly.com/sdk/client-side/r
 
 ## Learn more
 
-Check out our [documentation](https://docs.launchdarkly.com) for in-depth instructions on configuring and using LaunchDarkly. You can also head straight to the [complete reference guide for this SDK](https://docs.launchdarkly.com/sdk/client-side/react/react-native).
+Read our [documentation](https://docs.launchdarkly.com) for in-depth instructions on configuring and using LaunchDarkly. You can also head straight to the [complete reference guide for this SDK](https://docs.launchdarkly.com/sdk/client-side/react/react-native).
 
 ## Testing