Add zig package manager instructions to README

README.md

@@ -1,10 +1,34 @@
 # zigGenAlg
 A simple generic genetic algorithm library for zig
 
+Uses zig 0.11.0
+
 To run example:
 ```
 git clone https://github.com/StrandedSoftwareDeveloper/zigGenAlg.git
 cd zigGenAlg
 zig build example
 ```
-Uses zig 0.11.0
+
+To use with the zig package manager:
+- Add this to your build.zig.zon:
+```
+.{
+    .name = "yourProjectName",
+    .version = "your.version.number",
+    .dependencies = .{
+        .genAlg = .{
+            .url = "https://github.com/StrandedSoftwareDeveloper/zigGenAlg/archive/<latest commit hash>.tar.gz",
+        }
+    },
+}
+```
+- Add this to your build.zig:
+```
+const gen_alg_mod = b.dependency("genAlg", .{ .target = target, .optimize = optimize }).module("genAlg");
+exe.addModule("genAlg", gen_alg_mod);
+```
+- And import it with this:
+```
+const genAlg = @import("genAlg");
+```