feat: impl emoji picker subcommand

src/caelestia/subcommands/emoji.py

@@ -1,5 +1,8 @@
+import subprocess
 from argparse import Namespace
 
+from caelestia.utils.paths import cli_data_dir
+
 
 class Command:
     args: Namespace
@@ -8,4 +11,8 @@ class Command:
         self.args = args
 
     def run(self) -> None:
-        pass
+        emojis = (cli_data_dir / "emojis.txt").read_text()
+        chosen = subprocess.check_output(
+            ["fuzzel", "--dmenu", "--placeholder=Type to search emojis"], input=emojis, text=True
+        )
+        subprocess.run(["wl-copy"], input=chosen.split()[0], text=True)