Resolve "Provide precompiled binaries for easier install"

Closes #5 (closed)

.gitlab-ci.yml

 stages:
   - test
+  - build
 
 variables:
   PIP_CACHE_DIR: "$CI_PROJECT_DIR/.cache/pip"
@@ -17,3 +18,43 @@ test:
     - pytest
   tags:
     - docker
+
+
+build-linux:
+  stage: build
+  image: python:3.6
+  before_script:
+    - pip install .[dev]
+  script:
+    - pyinstaller --clean -y cli.spec --distpath .
+    - echo "Testing the generated CLI works…" && ./dist/funkwhale --help && echo "funkwhale CLI working \o/"
+  artifacts:
+    name: "linux_${CI_COMMIT_REF_NAME}"
+    paths:
+      - funkwhale
+  # only:
+  #   - tags@funkwhale/funkwhale
+  #   - master@funkwhale/funkwhale
+
+  tags:
+    - docker
+
+
+build-windows:
+  stage: build
+  image: cdrx/pyinstaller-windows:python3
+  before_script:
+    - pip install .[dev]
+  script:
+    - pyinstaller --clean -y cli.spec --distpath .
+    - echo "Testing the generated CLI works…" && ./dist/funkwhale --help && echo "funkwhale CLI working \o/"
+  artifacts:
+    name: "linux_${CI_COMMIT_REF_NAME}"
+    paths:
+      - funkwhale
+  # only:
+  #   - tags@funkwhale/funkwhale
+  #   - master@funkwhale/funkwhale
+
+  tags:
+    - docker