feature: add ability to drop a .spa.static into the tree

README.md

@@ -78,10 +78,15 @@ If you place a `.spa` file under the root, that directory will try to return an
     app/
       .spa
       index.html
+      static/
+        .spa.static
+        some_static_file.txt
 ```
 
 If you have this file structure (assuming `www` is the root), a `GET` to `/app/foo/bar` will return the `index.html` file in the `app/` directory. (Which would then presumably handle the url in `window.location` appropriately.)
 
+If you have a subdirectory you still want to allow 404s to happen in, you can place a `.spa.static` file in your tree to skip the typical SPA handler.
+
 ### Typescript Handling
 
 These types and interface define the default serverus Typescript handler's expected
@@ -136,8 +141,3 @@ TODO: write me
  - [ ] write examples above
  - [ ] reload typescript if it is modified on disk
  - [X] wrap markdown converted to html in a div with a class for styling
-
-## CHANGELOG
-
- - 0.13.0
- 	- wrap converted markdown in an `html-from-markdown` class