generate version files for klipper and moonraker during build

CHANGELOG.md

@@ -7,6 +7,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 <!--
 ## [Unreleased]
 ### Added
+* klipper & moonraker: generate version file during build to correctly display versions
 ### Fixed
 ### Changed
 ### Removed

docker/klipper/Dockerfile

@@ -18,6 +18,7 @@ ARG VERSION=master
 RUN git clone ${REPO} klipper \
  && cd klipper \
  && git checkout ${VERSION} \
+ && python3 scripts/make_version.py prind > klippy/.version \
  && rm -rf .git
 
 RUN venv/bin/pip install -r klipper/scripts/klippy-requirements.txt \

docker/moonraker/Dockerfile

@@ -13,6 +13,7 @@ ARG VERSION=master
 RUN git clone ${REPO} moonraker \
  && cd moonraker \
  && git checkout ${VERSION} \
+ && echo -n $(git describe --tags)-prind > moonraker/.version \
  && rm -rf .git
 
 RUN python -m venv venv \