Wire up release_nightly workflow, to upload artifacts to DO spaces

Co-authored-by: Kirill <kirill@zed.dev>
Co-authored-by: Mikayla <mikayla@zed.dev>

.github/actions/run_tests/action.yml

@@ -0,0 +1,48 @@
+name: 'Run tests'
+description: 'Runs the tests'
+
+runs:
+  using: "composite"
+  steps:
+    - name: Install Rust
+      shell: bash -euxo pipefail {0}
+      run: |
+        rustup set profile minimal
+        rustup update stable
+        rustup target add wasm32-wasi
+        cargo install cargo-nextest
+
+    - name: Install Node
+      uses: actions/setup-node@v3
+      with:
+        node-version: "18"
+
+    - name: Checkout repo
+      uses: actions/checkout@v3
+      with:
+        clean: false
+        submodules: "recursive"
+
+    - name: Limit target directory size
+      shell: bash -euxo pipefail {0}
+      run: script/clear-target-dir-if-larger-than 70
+
+    - name: Run check
+      env:
+        RUSTFLAGS: -D warnings
+      shell: bash -euxo pipefail {0}
+      run: cargo check --test --workspace
+
+    - name: Run tests
+      env:
+        RUSTFLAGS: -D warnings
+      shell: bash -euxo pipefail {0}
+      run: cargo nextest run --workspace --no-fail-fast
+
+    - name: Build collab
+      shell: bash -euxo pipefail {0}
+      run: cargo build -p collab
+
+    - name: Build other binaries
+      shell: bash -euxo pipefail {0}
+      run: cargo build --workspace --bins --all-features

.github/actions/rust_fmt/action.yml

@@ -0,0 +1,21 @@
+name: 'Run rustfmt'
+description: 'Runs rustfmt'
+
+runs:
+  using: "composite"
+  steps:
+    - name: Install Rust
+      shell: bash -euxo pipefail {0}
+      run: |
+        rustup set profile minimal
+        rustup update stable
+
+    - name: Checkout repo
+      uses: actions/checkout@v3
+      with:
+        clean: false
+        submodules: "recursive"
+
+    - name: cargo fmt
+      shell: bash -euxo pipefail {0}
+      run: cargo fmt --all -- --check