db: move shared libs into libdb subpkg, move /usr/share/doc into -docs subpkg.

srcpkgs/db/db-docs.template

@@ -0,0 +1,14 @@
+# Template file for 'db-docs'.
+#
+short_desc="${short_desc} (documentation files)"
+long_desc="${long_desc}
+
+ This package contains the documentation files for the API and utilities."
+
+noarch=yes
+
+do_install()
+{
+	install -d ${DESTDIR}/usr/share
+	mv ${SRCPKGDESTDIR}/usr/share/doc ${DESTDIR}/usr/share
+}