*: rewrite some files to nuxsh.

Signed-off-by: Tony Tkacik <tonydamage@gmail.com>

inc/nux/help.nuxsh.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env nuxsh
+@namespace nux.help. {
+  function :shelldoc {
+    sed -r \
+      -e "s/^## ?(.*)/${NC_White}\1${NC_No}/gI" \
+      -e "s/^# ?(.*)/${NC_Bold}\1${NC_No}/gI" \
+      -e "s/^([ a-z0-9.-_]*)::/${NC_Bold}\1${NC_No}/gI" \
+      -e "s/\*\*([^*]*)\*\*/${NC_Bold}\1${NC_No}/gI"  \
+      -e "s/\*([^*]*)\*/${NC_White}\1${NC_No}/gI"  \
+      --
+  }
+
+  function :comment source {
+    if nux.check.file.exists "$source" ; then
+      grep -E "^\#\#( |$)" "$source" \
+        | cut -d\# -f3- \
+        | cut -d" " -f2- \
+        | nux.help.shelldoc
+    fi
+  }
+}