Fixed autoclosing and made it recognize all ZON (Zig Object Notation)
files.
- Fixed single and double quotes not autoclosing for zig
- Fixed ZON file recognition
- Removed angle brackets autoclosing in zig as they are not used
Release Notes:
- N/A
This PR extracts Zig support into an extension and removes the built-in
Zig support from Zed.
There's a small workaround necessary in order for us to set the file
permissions on the `zls` binary so that it can be run. Eventually we'll
want to build this into the extension API, but for now we're just
hard-coding it on the host side.
Release Notes:
- Removed built-in support for Zig, in favor of making it available as
an extension. The Zig extension will be suggested for download when you
open a `.zig` file.
