Add clear command

Author: alirezatheh

perke/cli/clear.py

@@ -0,0 +1,26 @@
+import os
+from os.path import dirname, join
+
+import typer
+
+from perke.cli.base import app
+
+
+@app.command('clear')
+def clear_command() -> None:
+    """
+    Clears the resources directory.
+    """
+    clear()
+
+
+def clear() -> None:
+    """
+    Function version of `clear_command` to be available in the package.
+    """
+    resources_path = join(dirname(dirname(__file__)), 'resources')
+    for file_name in os.listdir(resources_path):
+        if file_name != 'README.md':
+            file_path = join(resources_path, file_name)
+            os.remove(file_path)
+            typer.echo(f'{file_name} removed.')