[v2.25.7]: Clearly define options for CDN installation ✨🧹

This release is to ensure options for how to get the raygun4js provider up and running without a server.

👉 Update README
👉 Update CHANGELOG

[v2.25.7]: Clearly define options for installation and fix builds/spring cleaning ✨🧹

This release is to ensure that we have audited the provider of the installation process outline successful whilst making some minor changes to for the ease of being able to install and activate successfully.

We also wanted to outline what is recommended if you are installing via NPM

• Update README
• Update CHANGELOG

v2.25.5

• v2.25.5

• Adds support for including High Entropy user agent data

v2.25.4

• v2.25.4

• Adds support for the Ionic Capacitor cross-platform app runtime

v2.25.3

• Allows passing a callback with 'getRaygunInstance' to allow for easier access to checking if a raygun instance exists when raygun4js may not have finished loading
  Thanks to @Widdershin

v2.25.2

• Fixes an issue where the rg4js proxy in the umd loader was throwing away the return value of the executor, preventing the use of commands like 'getRaygunInstance'
  Thanks to @Widdershin for the fix for this issue 🥇

v2.25.1

• Fixes an issue where errors on promises, which have been caught, were still being reported to Raygun. Thanks @Codex- for identifying and fixing the problem.

v2.25.0

• v2.25.0

• Attach a parent resource to non-page load events to assist with resource parenting.

v2.24.0

• If the ignore3rdPartyErrors option is true, discard errors that match the pattern of errors from browser extensions, bots and crawlers.
• Send the browser's viewport width and height with each RUM session payload.

v2.22.5

• Fixes an issue with Core Web Vital tracking not being able to be disabled.
• Fixes an issue where navigator.sendBeacon errors were not being handled gracefully.