chore: move to go folder

go/Dockerfile.dev

@@ -0,0 +1,16 @@
+FROM golang:1.24-alpine3.21 AS builder
+
+WORKDIR /app
+
+RUN go install github.com/air-verse/air@latest
+
+COPY go.mod ./
+COPY go.sum ./
+
+RUN go mod download
+
+COPY ./internal ./internal
+COPY ./main.go ./
+COPY ./.air.toml ./
+
+CMD ["air", "-c", ".air.toml"]