Implement Bearer Auth (#1216)

docs/README.md

@@ -1003,10 +1003,10 @@ the [sessions](#sessions) feature.
 https -A bearer -a token pie.dev/bearer
 ```
 
-### Empty password
-
-```bash
-$ http -a username: pie.dev/headers
+### Password prompt
+
+```bash
+$ http -a username pie.dev/basic-auth/username/password
 ```
 
 ### Empty password
@@ -1020,6 +1020,12 @@ $ http -a username:password pie.dev/basic-auth/username/password
 Authentication information from your `~/.netrc` file is by default honored as well.
 
 For example:
+
+```bash
+$ cat ~/.netrc
+machine pie.dev
+login httpie
+password test
 ```
 
 ```bash