docs: minimize clutter created by fully visible link URLs

Hide some of the URL's. They're just anchors to the same main page,
no point in repeating same URL over and over again.

README.md

@@ -123,12 +123,12 @@ On MacOS and Windows, Chrome does not allow to install extensions from local fil
 For more information about manually installing custom extensions, see:
 https://developer.chrome.com/docs/extensions/how-to/distribute/install-extensions
 
-On MacOS or Linux, extension can be installed through a preferences file (https://developer.chrome.com/docs/extensions/how-to/distribute/install-extensions#preferences), as long as:
+On MacOS or Linux, extension can be installed through a [preferences file](https://developer.chrome.com/docs/extensions/how-to/distribute/install-extensions#preferences), as long as:
 
-- it's `update_url` value in `manifest.json` file is correct (see https://developer.chrome.com/extensions/linux_hosting#update_url),
-- it's from server with correct setup (see https://developer.chrome.com/docs/extensions/how-to/distribute/host-on-linux#hosting).
+- it's [`update_url`](https://developer.chrome.com/docs/extensions/how-to/distribute/host-on-linux#update_url) value in `manifest.json` file is correct,
+- it's from server with [correct setup](https://developer.chrome.com/docs/extensions/how-to/distribute/install-extensions#registry).
 
-On Windows, they can be installed via [Windows registry](https://developer.chrome.com/extensions/external_extensions#registry).
+On Windows, they can be installed via [Windows registry](https://developer.chrome.com/docs/extensions/how-to/distribute/install-extensions#registry).
 
 On all systems, extensions can be installed through a policy setup: