Linting, so much linting

I installed and configured stylelint and eslint, and added an editorconfig as well as a vscode recommended extensions file.

The reason the diff is so large is I ran the linters and fixed all the linting issues.

README.md

@@ -96,6 +96,7 @@ If you want to change a value for dark or light mode only, use a media query lik
   :root {
     --links: blue; /* Always applied */
   }
+
   @media (prefers-color-scheme: dark) {
     :root {
       --links: yellow; /* Only applied in dark mode (overrides previous declarations while applied) */
@@ -117,10 +118,6 @@ If you are targeting browsers without support for CSS Custom Properties such as
 When making your changes, we recommend you don't change the values set by Water.css directly, instead simply add your own variable declarations:
 
 ```css
-:root {
-  /* Water.css variable declarations... */
-}
-
 /* ⬇ Add this block! */
 :root {
   /* Your variable declarations, overriding previous ones */
@@ -144,10 +141,4 @@ $ yarn dev
 **Alternatively, just click this button to develop in Repl.it, a supercool in-browser IDE!** [![Run on Repl.it](https://repl.it/badge/github/kognise/water.css)](https://repl.it/github/kognise/water.css)
 
 Before submitting your first pull request, make sure to check out our [Contributing Guide](https://github.com/kognise/water.css/tree/master/.github/CONTRIBUTING.md)!  
-Thanks for taking the time to contribute :)
-
-## Todos
-
-- Add screenshots
-- Release Jekyll theme ([#18](https://github.com/kognise/water.css/issues/18))
-- Publish to npm ([#41](https://github.com/kognise/water.css/issues/41))
+Thanks for taking the time to contribute :)