Merge pull request #24 from chinna007/20057

#20057 UI improvements
Update mac.md
Update advanced-setting.md
added search popup for home page
Fixed doc page UI
Merge pull request #25 from chinna007/20057

20057 - Implemented popup for home search page
added reviewing and writing docs
Merge pull request #26 from whatSocks/20072

added reviewing and writing docs
Update and rename functions.md to all-functions.md
Update and rename properties.md to all-properties.md
Update all-properties.md
Update and rename script.md to domains.md
Create running-a-script.md
Update and rename callback-functions.md to all-functions.md
Update and rename writing_docs.md to contributing-to-docs.md
Update contributing-to-docs.md
Update attachments.md
Merge branch 'master' of https://github.com/highfidelity/hifi-docs into 20068