New docs site (#2521)

* initial docs

* more docs work

* Update readme + add license

* update frontend GH action

Cargo.lock

@@ -5603,7 +5603,7 @@ dependencies = [
 
 [[package]]
 name = "theseus"
-version = "0.8.8"
+version = "0.8.9"
 dependencies = [
  "async-recursion",
  "async-tungstenite",
@@ -5654,7 +5654,7 @@ dependencies = [
 
 [[package]]
 name = "theseus_gui"
-version = "0.8.8"
+version = "0.8.9"
 dependencies = [
  "chrono",
  "cocoa 0.25.0",