Enhance .gitignore, beautify ci steps

.github/workflows/build.yml

@@ -1,20 +1,45 @@
-on: [ push, pull_request ]
+name: Linter and unit tests
 
-name: build
+on: [ push, pull_request ]
 
 jobs:
   test:
     name: Rust project
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - name: Install latest nightly
+      - name: "Checkout"
+        uses: actions/checkout@v2
+
+      - name: "Install latest nightly"
         uses: actions-rs/toolchain@v1
         with:
+          profile: minimal
           toolchain: nightly
           override: true
           components: rustfmt, clippy
-      - name: Run cargo test
+
+      - name: "Run cargo test"
         uses: actions-rs/cargo@v1
         with:
           command: test
+          args: --all-features --all-targets
+
+# Uncomment when supported:
+#      - name: "Format check"
+#        uses: actions-rs/cargo@v1
+#        with:
+#          command: fmt
+#          args: -- --check
+#      - name: "Linter checks"
+#        uses: actions-rs/cargo@v1
+#        with:
+#          command: clippy
+#          args: --all-features --all-targets -- --deny "clippy::all"
+#
+#      - name: "Check"
+#        uses: actions-rs/cargo@v1
+#        with:
+#          command: check
+#          args: --all-features --all-targets
+#
+#

.gitignore

@@ -1,3 +1,18 @@
+# global .gitignore
+*.swp
+
+# IDE
+.idea/
+.vscode/
+
+# Rust
+target/
+book/
+Cargo.lock
+
+# Mac files
+**/.DS_STore
+
+# Test files
 tests/*/export/**
 tests/*/export_wasm/**
-target/**