Add initial zig bindings.

Author: dot-asm

.gitignore

@@ -70,3 +70,6 @@ bindings/node.js
 bindings/emscripten
 bin/
 obj/
+
+zig-out
+.zig-cache

bindings/zig/README.md

@@ -0,0 +1,15 @@
+# blst for [Zig](https://ziglang.org/)
+
+The object-oriented interface is modeled after [C++ interface](../blst.hpp), but for the moment of this writing is a subset of it, sufficient to produce and verify individual signatures.
+
+## Adding dependency to your project
+
+Execute
+```
+zig fetch --save git+https://github.com/dot-asm/blst#zig-bindings
+```
+and add an equivalent of the following line to your build.zig prior to `b.installArtifact(exe)`:
+```
+exe.root_module.addImport("blst", b.dependency("blst", .{}).module("blst"));
+```
+You should now be able to `@import("blst")` in your application code. The abovementioned fetch command can be used to update the reference.