Update embedded-graphics,

remove useless Featuregates (Doesn't change size)

Update and integrate a few important examples and remove the others

.github/workflows/rust.yml

@@ -0,0 +1,35 @@
+
+name: Rust
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - stable
+          - beta
+    steps:
+    - uses: actions/checkout@v1
+    - name: Install ARM toolchain
+      run: rustup target add thumbv7em-none-eabihf
+    - name: Check Fmt
+      run: cargo fmt --all -- --check
+    - name: Build lib
+      run: cargo check --verbose
+    - name: Clippy
+      run: cargo clippy --all-targets --all-features -- -D warnings -A clippy::new_ret_no_self
+    - name: Build examples
+      run: cargo build --examples --verbose
+    #- name: Run tests
+    #  run: cargo test --verbose
+