Updated CLI_Usage (markdown)

CLI_Usage.md

@@ -27,6 +27,67 @@ apprise -vv --body="Notify more than one service" \
    kodi://example.com
 ```
 
+#### CLI Switches and Options
+All of the switches and options available to you can be presented by adding `--help` (`-h`) to the command line:
+```bash
+# Print all of the help information:
+apprise --help
+```
+
+The switches/options are as follows:
+```
+Usage: apprise [OPTIONS] SERVER_URL [SERVER_URL2 [SERVER_URL3]]
+
+  Send a notification to all of the specified servers identified by their
+  URLs the content provided within the title, body and notification-type.
+
+  For a list of all of the supported services and information on how to use
+  them, check out at https://github.com/caronc/apprise
+
+Options:
+  -b, --body TEXT                Specify the message body. If no body is
+                                 specified then content is read from <stdin>.
+
+  -t, --title TEXT               Specify the message title. This field is
+                                 complete optional.
+
+  -c, --config CONFIG_URL        Specify one or more configuration locations.
+  -a, --attach ATTACHMENT_URL    Specify one or more attachment.
+  -n, --notification-type TYPE   Specify the message type (default=info).
+                                 Possible values are "info", "success",
+                                 "warning", and "failure".
+
+  -i, --input-format FORMAT      Specify the message input format
+                                 (default=text). Possible values are "text",
+                                 "html", and "markdown".
+
+  -T, --theme THEME              Specify the default theme.
+  -g, --tag TAG                  Specify one or more tags to filter which
+                                 services to notify. Use multiple --tag (-g)
+                                 entries to "OR" the tags together and comma
+                                 separated to "AND" them. If no tags are
+                                 specified then all services are notified.
+
+  -Da, --disable-async           Send all notifications sequentially
+  -d, --dry-run                  Perform a trial run but only prints the
+                                 notification services to-be triggered to
+                                 stdout. Notifications are never sent using
+                                 this mode.
+
+  -R, --recursion-depth INTEGER  The number of recursive import entries that
+                                 can be loaded from within Apprise
+                                 configuration. By default this is set to 1.
+
+  -v, --verbose                  Makes the operation more talkative. Use
+                                 multiple v to increase the verbosity. I.e.:
+                                 -vvvv
+
+  -e, --interpret-escapes        Enable interpretation of backslash escapes
+  -D, --debug                    Debug mode
+  -V, --version                  Display the apprise version and exit.
+  -h, --help                     Show this message and exit.
+```
+
 #### File Based Configuration
 Ideally it's never safe to store your personal details on the command line; others might see it! So the best thing to do is stick your configuration into a simple [[configuration file|config]]. With respect to the above example, maybe your file will look like this:
 ```apache