Dotfiles commit (try to keep under 50 characters)

Multi-line description of commit,
feel free to be detailed.

[Ticket: X]
~
~
".git/COMMIT_EDITMSG" 14L, 297C

.config/fish/functions/_pure_prompt_container.fish

@@ -0,0 +1,5 @@
+function _pure_prompt_container
+    if _pure_is_inside_container
+        echo "$pure_symbol_container_prefix"(_pure_user_at_host)
+    end
+end