ci: use vscode tasks and makefile

makefile

@@ -0,0 +1,13 @@
+.PHONY: build
+build:
+	npx conventional-changelog-cli -p angular -i CHANGELOG.md -s -r 0
+	flutter build ios --no-tree-shake-icons
+	flutter build apk --no-tree-shake-icons
+
+schema:
+	# https://docs.github.com/en/graphql/overview/public-schema
+	curl -o packages/gql_github/lib/schema.graphql https://docs.github.com/public/schema.docs.graphql
+	npx --yes get-graphql-schema https://gitlab.com/api/graphql > packages/gql_gitlab/lib/schema.graphql
+
+format:
+	dartfmt --overwrite lib/**/*.dart