feat: expand troubleshooting guide (#559)

* Expand troubleshooting guide

* Add Typos exception for "PrioritisedThreadedTaskQueue"

* Add more general typos exception for code

* fix: absolute links, sentence case

---------

Co-authored-by: Caio P. <caio@example.com>
Co-authored-by: Matouš Kučera <mk@kcra.me>

Author: 3 people

.typos.toml

@@ -5,6 +5,9 @@ extend-exclude = [
 
 [default]
 locale = "en-us"
+extend-ignore-identifiers-re = [
+    "Prioritised[A-Z][a-z]\\w+" # allow canadian spelling in code, e.g. PrioritisedTask, PrioritisedThreadedTaskQueue...
+]
 
 [default.extend-identifiers]
 Spectre = "Spectre" # ignore error, the vulnerability is named Spectre