Updated to 0.15.2

[georg95]

Added 0.15.2 version(latest release)

https://georg95.github.io/zig.guide/ Changed paths, now 0.15 is on root /, also search is in 0.15 Removed warnings about unstable versions Changed ArrayList allocator to fixed size arrays to store paths, due to changed allocator APIs in 0.15

Fixed broken json example (second)

https://zig.guide/master/standard-library/json -> https://georg95.github.io/zig.guide/standard-library/json

Fixed broken custom writer example (last)

std.io.Writer -> std.io.GenericWriter https://zig.guide/master/standard-library/readers-and-writers -> https://georg95.github.io/zig.guide/standard-library/readers-and-writers

Updated 0.14 to 0.14.1:

Fixed broken json example (second)

https://zig.guide/master/standard-library/json -> https://georg95.github.io/zig.guide/0.14/standard-library/json