nvim: Add zk mappings for link insertion and journal entries

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

@@ -29,8 +29,14 @@ if [ -n "${WIKIROOT}" ]; then
     nnn() { # 'new quicknote'
         _zk_wiki new -t "${*:-$(date)}"
     }
-    nnl() { # 'new note log'
-        _zk_wiki log "$@"
+    nnl() { # 'new daily journal note'
+        _zk_wiki day "$@"
+    }
+    nnw() { # 'new weekly journal note'
+        _zk_wiki week "$@"
+    }
+    nnW() { # 'new weekly planning note'
+        _zk_wiki weekplan "$@"
     }
     nnd() { # 'new note draft'
         _zk_wiki draft "$@"