writing: Add zk configuration to writing module

writing/.config/sh/alias.d/zk.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env sh
+#
+
+n() {
+    if [ $# -eq 0 ]; then
+        zk edit -i
+    else
+        zk "${@}"
+    fi
+}

writing/.config/sh/env.d/zk.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env sh
+#
+
+export ZK_NOTEBOOK_DIR="${WIKIROOT:-~/documents/notes/}/pinky"