(doc) Add information about discard command

Author: gep13

docs/input/docs/commands/discard.md

@@ -0,0 +1,48 @@
+---
+Order: 20
+Title: Discard
+---
+
+After creating a draft release, it might be necessary to also discard it.  This
+could be for a number of reasons, which don't need to be detailed here, but
+if/when required, this command will discard a draft release.
+
+:::{.alert .alert-info}
+**NOTE:**
+The command will only work for releases that are in the draft state.  It won't
+delete a published release.
+:::
+
+## **Required Parameters**
+
+- `-u, --username`: The username to access GitHub with. This can't be used when
+    using the token parameter.
+- `-p, --password`: The password to access GitHub with. This can't be used when
+    using the token parameter.
+- `--token`: The access token to access GitHub with. This can't be used when
+    using the username and password parameters.
+- `-o, --owner`: The owner of the repository.
+- `-r, --repository`: The name of the repository.
+- `-m, --milestone`: The name of the release (Typically this is the generated
+    SemVer Version Number).
+
+## **Optional Parameters**
+
+- `-d, -targetDirectory`: The directory on which GitReleaseManager should be
+    executed. Defaults to current directory.
+- `-l, -logFilePath`: Path to where log file should be created. Defaults to
+    logging to console.
+
+## **Notes**
+
+For Authentication use either username and password, or token parameter
+
+## **Examples**
+
+```bash
+gitreleasemanager.exe discard -m 0.1.0 -u bob -p password -o repoOwner -r repo
+
+gitreleasemanager.exe discard --milestone 0.1.0 --username bob --password password --owner repoOwner --repository repo
+
+gitreleasemanager.exe discard --milestone 0.1.0 --token fsdfsf67657sdf5s7d5f --owner repoOwner --repository repo
+```