update to 2.0

I overreached on the getter / setters sharing the same names, and everything
_seemed_ to work OK at first, but then when I tried to import it...

README.md

@@ -11,6 +11,14 @@ When you don't need a whole framework (or JSX), but also don't want to spend all
 3. Import it as an ESM module (`import $d from "./src/fluent-dom-esm.js"`).
 4. Profit!
 
+### With JSR
+
+This package can also be installed from [JSR](https://jsr.io/):
+
+```
+yarn add jsr:@itsericwoodward/fluent-dom-esm
+```
+
 ### Occasionally Asked Questions
 
 - _How can I use this in Node?_ You can't, AFAIK. It requires access to the HTML `Document` object from the browser.