[add] split wanted files vs wanted metadata for ko apis, [add] documentation

Dockerfile

@@ -1,12 +1,20 @@
-# FROM golang:1.20-alpine AS build
 FROM alpine:edge AS build
 RUN apk add --no-cache --update go gcc g++
 WORKDIR /app
 COPY . /app
-RUN go mod download
-RUN CGO_ENABLED=1 CGO_CFLAGS="-D_LARGEFILE64_SOURCE" go build -o /sync-ninja cmd/main.go
 
+# Copy Resources
+RUN mkdir -p /opt/bookmanager
+RUN cp -a ./templates /opt/bookmanager/templates
+RUN cp -a ./assets /opt/bookmanager/assets
+
+# Download Dependencies & Compile
+RUN go mod download
+RUN CGO_ENABLED=1 CGO_CFLAGS="-D_LARGEFILE64_SOURCE" go build -o /opt/bookmanager/server
+
+# Create Image
 FROM alpine:3.18
-COPY --from=build /sync-ninja /sync-ninja
+COPY --from=build /opt/bookmanager /opt/bookmanager
+WORKDIR /opt/bookmanager
 EXPOSE 8585
-ENTRYPOINT ["/sync-ninja", "serve"]
+ENTRYPOINT ["/opt/bookmanager/server", "serve"]