Extend the tester to compile sources

TODO

@@ -1,15 +1,23 @@
-- After inserting autocompletion move the cursor to the end of the insertion.
+# Completion
+
+- Configure fzf to show only the current directory files
 - Support multiple selections for insertion in fzf.
-- Vi mode.
 - Don't hardcode fzf binary path.
-- Persist the history.
 - Send the word under the cursor to fzf as initial input.
-- Replace hard coded ANSI codes with constants or functions.
-- Show the hostname in the prompt.
-- Crash if the cd directory doesn't exist.
 - Home directory expansion.
-- Paste pastes only the first character.
-- When we read the key and an error occures how it should be handled?
-- Kitty protocol works with UTF8 code points for escape sequences with modifiers.
-  They can be wider than an unsigned char.
-- Add a bar with additional information under the prompt (edit_bar).
+- Show files in the PATH if starting at the beginning of the prompt
+
+# Appearance
+
+- Add a bar with additional information under the prompt (edit_bar), like the hostname.
+- Show current time in the prompt.
+
+# Input
+
+- DEL handling.
+- Starting long running process and killing it with Ctrl-C kills the shell.
+
+# Other
+
+- Persist the history.
+- Replace hard coded ANSI codes with constants or functions.