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Try to give a name in the user story format (ref. User story - Wikipedia)
Like: As a role I can action, so that expected benefit
Q1. What is the problem that you are trying to solve?
applying tags to folders would make adding a tag much easier to passwords that in the same folder
Q2 - Who is impacted?
Everyone
Q3 - Why is it important and/or urgent?
It would be helpful with managing tags
Q4 - What is your proposed solution? (optional)
Add the ability for users to add or remove to tags to a folder and all its contents
Enjoy life 
Q5. Community support
People can vote for this idea to show traction:
Must have: this is critical for me to have this
Should have: this is important for me to have this
Could have: this could be nice to have
Won’t have: we should not schedule this (explain why)
0
voters