docgen: add a space between the header and the section symbol
docgen: add a space between the header and the section symbol

raulgrell/zig,raulgrell/zig,andrewrk/zig,raulgrell/zig,raulgrell/zig,andrewrk/zig,zig-lang/zig,raulgrell/zig,zig-lang/zig,zig-lang/zig