Fix Ansible automation hub support review comments

[chidanandpujar]

Fix for Ansible Automation hub upload review comments

Item #1 Error in import logs:
callback juniper.device.jsnapy missing documentation (or could not parse documentation): No documentation available for juniper.device.jsnapy (/tmp/tmpsxl64wuk/ansible_collections/juniper/device/plugins/callback/jsnapy.py)

Item #2 Support statement in the README

Item #3 Address requested changes to README from version 1.0.8. 

(ansiahrev1) root@masterhost:~/ansible_autohub_review1/ansible-junos-stdlib/ansible_collections/juniper/device# python -m galaxy_importer.main juniper-device-1.0.9.tar.gz 
Importing with galaxy-importer 0.4.33
Getting doc strings via ansible-doc
Finding content inside collection
Loading action command
Loading action config
Loading action extract_data
Loading action facts
Loading action file_copy
Loading action jsnapy
Loading action juniper_junos_common_action
Loading action ping
Loading action pmtud
Loading action rpc
Loading action software
Loading action srx_cluster
Loading action system
Loading action table
Loading callback jsnapy
Loading connection pyez
Loading doc_fragments juniper_junos_doc
Loading module command
Loading module config
Loading module facts
Loading module file_copy
Loading module jsnapy
Loading module ping
Loading module pmtud
Loading module rpc
Loading module software
Loading module srx_cluster
Loading module system
Loading module table
Loading module_utils configuration
Loading module_utils juniper_junos_common
Linting collection via ansible-lint 25.8.2...
...ansible-lint run complete
WARNING: Ignore files skip ansible-test sanity tests, found ignore-2.16.txt with 17 statement(s)
WARNING: Ignore files skip ansible-test sanity tests, found ignore-2.17.txt with 17 statement(s)
WARNING: Ignore files skip ansible-test sanity tests, found ignore-2.18.txt with 17 statement(s)
WARNING: Ignore files skip ansible-test sanity tests, found ignore-2.19.txt with 17 statement(s)
Collection loading complete
Importer processing completed successfully