README: put paths in quotes per AsciiDoc preference

AsciiDoc recommends using single quotes for paths and filenames, so use
them, and use backticks for commands and source instead.
1 file changed
tree: 171f4d37a9d09958d5d8f2c0ec73dd31236fbfbb
  1. api/
  2. extensions/
  3. sdk/
  4. specs/
  5. xml/
  6. index.php
  7. README.adoc