Initial data commit

Task/Copy-a-string/D/copy-a-string.d

@@ -0,0 +1,12 @@
+void main() {
+    string src = "This is a string";
+
+    // copy contents:
+    auto dest1 = src.idup;
+
+    // copy contents to mutable char array
+    auto dest2 = src.dup;
+
+    // copy just the fat reference of the string
+    auto dest3 = src;
+}