[Embeds] Embed for single post (#3450)

* add bskyembed vite app

* create build script (temp until embedr is ready)

* add build output to web build

* simplify post-build step by copying everything at once

* add simple post viewer

* add butterfly logo

* add vite plugin legacy

* proper error screen

* add image embed

* add url embed

* record embed + embedwithmedia

* add list+feed embeds

* add labeller embed (just to be safe)

* fix curatelist and modlist being the wrong way around

* Add PWI opt-out

* add favicon

* improve wording of PWI

* remove padding I used for screenshots

* add disabled state to embed

* improve PWI styles by adding an icon

* remove unused prop

* rm open proxy

* [Embeds] Add CTA and add general polish - input needed! (#3454)

* add CTA, colourful icons, and bigger logo

* make hover effect smaller + add to cta

* more responsive + preserve whitespace

* add trailing newsline to deploy script

* add repost indicator

* Make butterfly link to content

* More consistent error text wording

---------

Co-authored-by: Dan Abramov <dan.abramov@gmail.com>

bskyembed/tsconfig.json

@@ -3,8 +3,8 @@
   "compilerOptions": {
     "target": "ES5",
     "lib": ["DOM", "DOM.Iterable", "ESNext"],
-    "types": [],
-    "allowJs": true,
+    "types": ["vite/client"],
+    "allowJs": false,
     "skipLibCheck": true,
     "esModuleInterop": false,
     "allowSyntheticDefaultImports": true,
@@ -17,7 +17,8 @@
     "noEmit": true,
     "jsx": "react",
     "jsxFactory": "h",
-    "jsxFragmentFactory": "Fragment"
+    "jsxFragmentFactory": "Fragment",
+    "downlevelIteration": true
   },
   "include": ["src"]
 }