Initial commit, with minimal gRPC server

.editorconfig

@@ -0,0 +1,10 @@
+[*]
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.rs]
+tab_width = 4
+
+[*.{js,jsx,ts,tsx,html,css,svelte,proto}]
+tab_width = 2

.github/workflows/ci.yml

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+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  rustfmt:
+    name: Rust format
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: nightly
+          components: rustfmt
+
+      - run: cargo fmt -- --check
+
+  rust:
+    name: Rust lint and test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+
+      - run: cargo clippy --all-targets -- -D warnings
+
+      - run: cargo test

.gitignore

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+/target
+.vscode/