readme: SymbiFlow is now F4PGA

Signed-off-by: Unai Martinez-Corral <[email protected]>

README.md

@@ -1,20 +1,17 @@
-# SymbiFlow Website
+# SymbiFlow | F4PGA Website
 
-[Website for the SymbiFlow project](https://symbiflow.github.io).
+SymbiFlow is now F4PGA!
+See [f4pga.org](https://f4pga.org/) and [f4pga.readthedocs.io](https://f4pga.readthedocs.io/).
 
 # License
 
 These files are released under the very permissive
 [ISC License, see the COPYING file for the full text](COPYING).
 
-# Dependencies
-
-Requires `node.js`. Run `npm install` to install dependencies.
-
 # Development
 
-Build using `gulp`. Run `gulp watch` to start a live server.
-
-# Build
-
-Run `gulp build` to build into the `build` folder. Static files can be served from there.
+* Requires `node.js`.
+  Run `npm install` to install dependencies.
+* Run `gulp watch` to start a live server.
+* Run `gulp build` to build into the `build` folder.
+  Static files can be served from there.