More user-friendly titles (#416)

* More user-friendly titles

- SASL -> automatic login
- basics guide -> new to using irc
- nickname registration -> register an account
- using certfp -> login with a certificate (certfp)

* Fix links with anchors

Author: meldra

content/_guides/basics.md

@@ -1,5 +1,5 @@
 ---
-title: Basics of IRC
+title: New to Using IRC
 category: about-irc
 weight: 10
 ---

content/_guides/certfp.md

@@ -1,13 +1,13 @@
 ---
-title: Using CertFP
+title: Login With a Certificate (CertFP)
 category: connecting
 credits: web7
 weight: 40
 ---
 
 As an alternative to password-based authentication, you can connect to
 Libera.Chat with a TLS certificate and have services recognise it
-automatically.
+automatically. *This is not necessary for most users.*
 
 For `SASL EXTERNAL` to work, you must [connect over TLS](/guides/connect).
 

content/_guides/registration.md

@@ -1,5 +1,5 @@
 ---
-title: Nickname Registration
+title: Register an account
 category: using
 credits: web7
 weight: 10
@@ -99,7 +99,7 @@ You'll need to log in to your account each time you connect to Libera.Chat.
 **It is highly recommended to use [SASL](/guides/sasl) for this,
 which is supported by every notable modern IRC client.**
 Instructions for your client can likely be found
-[here](/guides/sasl#sasl-client-configuration).
+[here](/guides/sasl#client-configuration).
 
 If you are already connected to the network and do not wish to reconnect to
 log in, you can manually identify:

content/_guides/sasl.md

@@ -1,20 +1,20 @@
 ---
-title: Using SASL
+title: Set Up Automatic Login
 category: connecting
 credits: web7
 weight: 30
 ---
 
-SASL is a way for your IRC client to automatically login to
-an existing [Libera.Chat account](/guides/registration).
+Most IRC clients can automatically login to an existing
+[Libera.Chat account](/guides/registration) using a process called SASL.
 Libera.Chat sometimes requires SASL authentication; if you were
 disconnected with a message saying you need SASL, skip to the section on
 [connecting from a SASL-only address](#sasl-access-only-ip-ranges).
 
 SASL is **not** the same thing as SSL or TLS. We strongly recommend
 [using TLS](/guides/connect#accessing-liberachat-via-tls) to connect.
 
-## SASL Client Configuration
+## Client Configuration
 
 We have instructions on how to configure SASL for some clients below.
 These instructions are for `PLAIN` (username+password) authentication.
@@ -79,7 +79,7 @@ supports SASL.
 Remember to check your email and verify the address on your account before you
 try to connect from the IP that is restricted.
 Once you **do** have an account, there are
-[instructions on configuring your client above](#sasl-client-configuration).
+[instructions on configuring your client above](#client-configuration).
 
 SASL-only restrictions are typically applied to address ranges that are
 the source of frequent policy violations due to providing easy access to