docs: centralize environment variables information

resolves #2082

docs/docs/config-templates.md

@@ -17,8 +17,24 @@ offers a few standard properties to work with.
 - `.UserName`: `string` - the current user name
 - `.HostName`: `string` - the host name
 - `.Code`: `int` - the last exit code
+
+## Environment variables
+
 - `.Env.VarName`: `string` - Any environment variable where `VarName` is the environment variable name
 
+:::tip
+If you're using PowerShell, you can override a function to populate environment variables before the
+prompt is rendered.
+
+```powershell
+function Set-EnvVar {
+    $env:POSH=$(Get-Date)
+}
+New-Alias -Name 'Set-PoshContext' -Value 'Set-EnvVar' -Scope Global -Force
+```
+
+:::
+
 ## Helper functions
 
 - url: create a hyperlink to a website to open your default browser `{{ url .UpstreamIcon .UpstreamURL }}`

docs/docs/segment-command.md

@@ -59,5 +59,5 @@ error). The `&&` functionality will join the output of the commands when success
 
 - `.Output`: `string` - the output of the command.
 
-[env]: /docs/environment
+[env]: /docs/config-templates#environment-variables
 [templates]: /docs/config-templates

docs/docs/segment-text.md

@@ -19,19 +19,6 @@ Display text.
 }
 ```
 
-:::tip
-If you're using PowerShell, you can override a function to populate environment variables before the
-prompt is rendered.
-
-```powershell
-function Set-EnvVar {
-    $env:POSH=$(Get-Date)
-}
-New-Alias -Name 'Set-PoshContext' -Value 'Set-EnvVar' -Scope Global -Force
-```
-
-:::
-
 ## Template ([info][templates])
 
 ### Properties