continue making docs

docs/code_snippets/error_handling_example_sample2.py

@@ -0,0 +1,7 @@
+from argenta import App
+
+def incorrect_input_syntax_handler(raw_command: str):
+    print(f"Incorrect input syntax for command: {raw_command}")
+
+app: App = App()
+app.set_incorrect_input_syntax_handler(incorrect_input_syntax_handler)

docs/code_snippets/error_handling_example_sample3.py

@@ -0,0 +1,7 @@
+from argenta import App
+
+def repeated_input_flags_handler(raw_command: str):
+    print(f"Repeated input flags: {raw_command}")
+
+app: App = App()
+app.set_repeated_input_flags_handler(repeated_input_flags_handler)

docs/code_snippets/error_handling_example_sample4.py

@@ -0,0 +1,7 @@
+from argenta import App
+
+def empty_command_handler():
+    print("Empty input command")
+
+app: App = App()
+app.set_empty_command_handler(empty_command_handler)

docs/code_snippets/error_handling_example_sample5.py

@@ -0,0 +1,8 @@
+from argenta import App
+from argenta.command import InputCommand
+
+def unknown_command_handler(command: InputCommand):
+    print(f"Unknown input command with trigger: {command.trigger}")
+
+app: App = App()
+app.set_unknown_command_handler(unknown_command_handler)