Added an option to compile as a dynamic library

build.zig

@@ -1,6 +1,20 @@
 const std = @import("std");
 
 pub fn build(b: *std.Build) void {
+
+    // Compilation options
+    const opt_shared = b.option(
+        bool,
+        "shared",
+        "Build as a dynamic (shared) library",
+    ) orelse false;
+
+    const linkage: std.builtin.LinkMode = if (opt_shared)
+        .static
+    else
+        .dynamic;
+
+    // Configuration
     const target = b.standardTargetOptions(.{});
     const optimize = b.standardOptimizeOption(.{});
 
@@ -14,7 +28,7 @@ pub fn build(b: *std.Build) void {
     // Create library
     const lib = b.addLibrary(.{
         .name = "reticulum-zero",
-        .linkage = .static,
+        .linkage = linkage,
         .root_module = root_module,
     });