iOS: Feature "Local Account Search"

[hosy]

WHAT Needs to be Documented?

The new iOS feature Local Account Search need to be documented.
In the PR you can get the current state of possible search terms and keywords and who it works:
owncloud/ios-app#933

WHERE Does This Need To Be Documented (Link)?

WHY Should This Change Be Made?

(Optional) What Type Of Content Change Is This?

• New Content Addition
• Old Content Deprecation
• Existing Content Simplification
• Bug Fix to Existing Content

(Optional) Which Manual Does This Relate To?

• Admin Manual
• Developer Manual
• User Manual
• Android
• iOS
• Branded Clients
• Desktop Client
• Other

[michaelstingl]

In a next step, searching the local iOS filecache will be combined with server-side search results. See owncloud/product#42 for the bigger picture.