Remove iced_glow, glyph-brush, and wgpu_glyph dependencies

examples/integration/README.md

@@ -0,0 +1,36 @@
+## `wgpu` integration
+
+A demonstration of how to integrate Iced in an existing [`wgpu`] application.
+
+The __[`main`]__ file contains all the code of the example.
+
+<div align="center">
+  <a href="https://gfycat.com/nicemediocrekodiakbear">
+    <img src="https://thumbs.gfycat.com/NiceMediocreKodiakbear-small.gif">
+  </a>
+</div>
+
+You can run it with `cargo run`:
+```
+cargo run --package integration_wgpu
+```
+
+### How to run this example with WebGL backend
+NOTE: Currently, WebGL backend is is still experimental, so expect bugs.
+
+```sh
+# 0. Install prerequisites
+cargo install wasm-bindgen-cli https
+# 1. cd to the current folder
+# 2. Compile wasm module
+cargo build -p integration_wgpu --target wasm32-unknown-unknown
+# 3. Invoke wasm-bindgen
+wasm-bindgen ../../target/wasm32-unknown-unknown/debug/integration_wgpu.wasm --out-dir . --target web --no-typescript
+# 4. run http server
+http
+# 5. Open 127.0.0.1:8000 in browser
+```
+
+
+[`main`]: src/main.rs
+[`wgpu`]: https://github.com/gfx-rs/wgpu