Reorganize README

Author: weppos

README.md

@@ -16,7 +16,7 @@
 
 ## Requirements
 
-<tt>PublicSuffix</tt> requires **Ruby >= 3.0**. For an older versions of Ruby use a previous release.
+<tt>PublicSuffix</tt> requires **Ruby >= 3.2**. For an older versions of Ruby use a previous release.
 
 
 ## Installation
@@ -185,6 +185,17 @@ Not convinced yet? Check out [this real world example](https://stackoverflow.com
 No. <tt>PublicSuffix</tt> comes with a bundled list. It does not make any HTTP requests to parse or validate a domain.
 
 
+## Definitions
+
+tld = Top level domain, this is in reference to the last segment of a domain, sometimes the part that is directly after the "dot" symbol. For example, `mozilla.org`, the `.org` portion is the tld.
+
+sld = Second level domain, a domain that is directly below a top-level domain. For example, in `https://www.mozilla.org/en-US/`, `mozilla` is the second-level domain of the .org tld.
+
+trd = Transit routing domain, or known as a subdomain. This is the part of the domain that is before the sld or root domain. For example, in `https://www.mozilla.org/en-US/`, `www` is the trd.
+
+FQDN = Fully Qualified Domain Names, are domain names that are written with the hostname and the domain name, and include the top-level domain, the format looks like `[hostname].[domain].[tld].` for ex. `[www].[mozilla].[org]`.
+
+
 ## Support
 
 Library documentation is auto-generated from the [README](https://github.com/weppos/publicsuffix-ruby/blob/master/README.md) and the source code, and it's available at https://rubydoc.info/gems/public_suffix.
@@ -210,13 +221,3 @@ See the [CHANGELOG.md](CHANGELOG.md) file for details.
 Copyright (c) 2009-2025 Simone Carletti. This is Free Software distributed under the MIT license.
 
 The [Public Suffix List source](https://publicsuffix.org/list/) is subject to the terms of the Mozilla Public License, v. 2.0.
-
-## Definitions
-
-tld = Top level domain, this is in reference to the last segment of a domain, sometimes the part that is directly after the "dot" symbol. For example, `mozilla.org`, the `.org` portion is the tld.
-
-sld = Second level domain, a domain that is directly below a top-level domain. For example, in `https://www.mozilla.org/en-US/`, `mozilla` is the second-level domain of the .org tld.
-
-trd = Transit routing domain, or known as a subdomain. This is the part of the domain that is before the sld or root domain. For example, in `https://www.mozilla.org/en-US/`, `www` is the trd.
-
-FQDN = Fully Qualified Domain Names, are domain names that are written with the hostname and the domain name, and include the top-level domain, the format looks like `[hostname].[domain].[tld].` for ex. `[www].[mozilla].[org]`.