Initial data commit

Task/Delete-a-file/D/delete-a-file-1.d

@@ -0,0 +1,5 @@
+import std.file: remove;
+
+void main() {
+    remove("data.txt");
+}

Task/Delete-a-file/D/delete-a-file-2.d

@@ -0,0 +1,8 @@
+import tango.io.Path;
+
+void main() {
+    remove("input.txt");
+    remove("/input.txt");
+    remove("docs");
+    remove("/docs");
+}

Task/Delete-a-file/D/delete-a-file-3.d

@@ -0,0 +1,8 @@
+import tango.stdc.posix.unistd;
+
+void main() {
+  unlink("input.txt");
+  unlink("/input.txt");
+  rmdir("docs");
+  rmdir("/docs");
+}