docs(mkdocs): add common workflows section

docs/common-workflows/komorebi-config-home.md

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+# `KOMOREBI_CONFIG_HOME`
+
+If you do not want to keep _komorebi_-related files in your `$Env:USERPROFILE`
+directory, you can specify a custom directory by setting the
+`$Env:KOMOREBI_CONFIG_HOME` environment variable.
+
+For example, to use the `~/.config/komorebi` directory:
+
+```powershell
+# Run this command to make sure that the directory has been created
+mkdir -p ~/.config/komorebi
+
+# Run this command to open up your PowerShell profile configuration in Notepad
+notepad $PROFILE
+
+# Add this line (with your login user!) to the bottom of your PowerShell profile configuration
+$Env:KOMOREBI_CONFIG_HOME = 'C:\Users\LGUG2Z\.config\komorebi'
+
+# Save the changes and then reload the PowerShell profile
+. $PROFILE
+```
+
+If you already have configuration files that you wish to keep, move them to the
+`~/.config/komorebi` directory.
+
+The next time you run `komorebic start`, any files created by or loaded by
+_komorebi_ will be placed or expected to exist in this folder.