Create build.yml

Author: gmorgachev

.github/workflows/build.yml

@@ -0,0 +1,8 @@
+- name: Install and configure Poetry
+  uses: snok/install-poetry@v1
+  with:
+    version: 1.5.1
+    virtualenvs-create: true
+    virtualenvs-in-project: false
+    virtualenvs-path: ~/my-custom-path
+    installer-parallel: true