ci: add build and lint workflows

.github/workflows/build.yaml

@@ -0,0 +1,37 @@
+name: Build
+on:
+    push:
+        paths:
+            - "**.rs"
+            - "Cargo.*"
+    pull_request:
+    workflow_dispatch:
+
+jobs:
+    errornowatcher:
+        name: errornowatcher
+        runs-on: ubuntu-24.04
+
+        steps:
+            - name: Clone repository
+              uses: actions/checkout@v4
+
+            - name: Install build dependencies
+              run: sudo apt install -y libluajit-5.1-dev mold
+
+            - name: Set up build cache
+              uses: actions/cache@v4
+              with:
+                  path: |
+                      ~/.cargo/bin/
+                      ~/.cargo/registry/index/
+                      ~/.cargo/registry/cache/
+                      ~/.cargo/git/db/
+                      target/
+                  key: build-${{ runner.os }}-${{ hashFiles('Cargo.*') }}
+
+            - name: Switch to nightly toolchain
+              run: rustup default nightly
+
+            - name: Build in release mode
+              run: cargo build --release