remove the `tmp` directory & add to gitignore (#424)

.gitignore

@@ -48,4 +48,7 @@ __pycache__/
 venv/
 
 # Release Candidate Artifacts
-rc/
+rc/
+
+# Various local temporary artifacts
+.tmp/

tmp/.notes.txt

@@ -1,60 +0,0 @@
-# Search asks for passwords:
-
-1. Check _app.py auth('list') decorator
-
-2. In Pypa/pip see auth.py handle_401 with
-
-    ```python
-    # Query the keyring for credentials:
-        username, password = self._get_new_credentials(
-            resp.url,
-            allow_netrc=False,
-            allow_keyring=True,
-        )
-    ```
-
-Output:  
-
-```bash
-$ python3 -m pip search --index http://localhost:8080/ pipx -vvv --trusted-host localhost:8080
-Starting new HTTP connection (1): localhost:8080
-http://localhost:8080 "POST / HTTP/1.1" 401 706
-Getting credentials from keyring for localhost:8080
-Loading KWallet
-Loading SecretService
-Loading Windows
-Loading chainer
-Loading macOS
-User for localhost:8080: ^CERROR: Operation cancelled by user
-Exception information:
-Traceback (most recent call last):
-  File "...lib/python3.8/site-packages/pip/_internal/cli/base_command.py", line 173, in _main
-    status = self.run(options, args)
-  File "...lib/python3.8/site-packages/pip/_internal/commands/search.py", line 54, in run
-    pypi_hits = self.search(query, options)
-  File "...lib/python3.8/site-packages/pip/_internal/commands/search.py", line 74, in search
-    hits = pypi.search({'name': query, 'summary': query}, 'or')
-  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.8/lib/python3.8/xmlrpc/client.py", line 1109, in __call__
-    return self.__send(self.__name, args)
-  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.8/lib/python3.8/xmlrpc/client.py", line 1450, in __request
-    response = self.__transport.request(
-  File "...lib/python3.8/site-packages/pip/_internal/network/xmlrpc.py", line 44, in request
-    response = self._session.post(
-  File "...lib/python3.8/site-packages/pip/_vendor/requests/sessions.py", line 590, in post
-    return self.request('POST', url, data=data, json=json, **kwargs)
-  File "...lib/python3.8/site-packages/pip/_internal/network/session.py", line 454, in request
-    return super().request(method, url, *args, **kwargs)
-  File "...lib/python3.8/site-packages/pip/_vendor/requests/sessions.py", line 542, in request
-    resp = self.send(prep, **send_kwargs)
-  File "...lib/python3.8/site-packages/pip/_vendor/requests/sessions.py", line 662, in send
-    r = dispatch_hook('response', hooks, r, **kwargs)
-  File "...lib/python3.8/site-packages/pip/_vendor/requests/hooks.py", line 31, in dispatch_hook
-    _hook_data = hook(hook_data, **kwargs)
-  File "...lib/python3.8/site-packages/pip/_internal/network/auth.py", line 263, in handle_401
-    username, password, save = self._prompt_for_password(parsed.netloc)
-  File "...lib/python3.8/site-packages/pip/_internal/network/auth.py", line 226, in _prompt_for_password
-    username = ask_input(f"User for {netloc}: ")
-  File "...lib/python3.8/site-packages/pip/_internal/utils/misc.py", line 218, in ask_input
-    return input(message)
-KeyboardInterrupt
-```