Added basic monitoring guidance

Author: sachin-pikle

samples/oci-vault-get-secret-python/README.md

@@ -88,7 +88,7 @@ The function requires the following configuration values to be set:
 - secret_ocid
 - secret_type, the value should be either "text" or "binary"
 
-![user input icon](../images/userinput.png)
+![user input icon](./images/userinput.png)
 
 Use the *fn CLI* to set the config value:
 ```
@@ -122,4 +122,10 @@ If the secret is text and you set the function configuration key "secret_type" t
 If the secret is binary data and you set the function configuration key "secret_type" to "binary", the function stores the content of the secret in a file in /tmp and returns the md5 checksum of the file, for example:
 ```
 {'secret md5': 'a4269244e2eca44200bc04f83e0e4df0'}
-```
+```
+
+
+## Monitoring Functions
+
+Learn how to configure basic observability for your function using metrics, alarms and email alerts:
+* [Basic Guidance for Monitoring your Functions](../basic-observability/functions.md)