Cease supporting Docker deployments altogether

Other changes:
* Do not use Funkwhale's CI, GitPod, etc
* Support Taskfile.yml (might make future CI builds easier)

Signed-off-by: Shin'ya Minazuki <shinyoukai@laidback.moe>

Taskfile.yml

@@ -0,0 +1,36 @@
+# https://taskfile.dev
+
+version: '3'
+
+vars:
+  BUILD_DIR: build
+  TASK_LIST: task -l
+tasks:
+  default:
+    cmds:
+      - echo "See all available tasks with {{.TASK_LIST}}"
+    silent: true
+  install:
+    desc: Install required dependencies
+    cmds:
+      - poetry install
+  changelog:
+    desc: Generate a changelog
+    cmds:
+      - poetry run towncrier
+  dist:
+    desc: Build tarballs for backend and frontend
+    cmds:
+      - task: dist-be
+      - task: dist-fe
+  dist-be:
+    internal: true
+    cmds:
+      - rm -rf {{.BUILD_DIR}}
+      - mkdir -p {{.BUILD_DIR}}
+      - tar czvf {{.BUILD_DIR}}/funquail-be-{{.VERSION}}.tar.gz --owner prometheus --group prometheus --exclude-vcs api/
+  dist-fe:
+    internal: true
+    cmds:
+      - tar czvf {{.BUILD_DIR}}/funquail-fe-{{.VERSION}}.tar.gz --owner prometheus --group prometheus --exclude-vcs front/dist
+