add git ignore and remove .artifacts

.github/workflows/server.yml

@@ -16,4 +16,4 @@ jobs:
           go-version-file: go.mod
           cache: true
           cache-dependency-path: go.sum
-      - run: go build -o ../.artifacts ./hello_world.go
+      - run: go build -o ./.artifacts ./hello_world.go

.gitignore

@@ -0,0 +1,30 @@
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+.artifacts
+**/.DS_Store
+
+node_modules
+frontend/dist
+
+.dev
+**/.terraform
+
+# IntelliJ idea
+.idea
+
+# ENV
+.env