dsh 0.2.0-rc.2: in-container update (experimental channel), path-agnostic compose, upstream patches adapted to 0.1.x/0.2.x

upstream/.dockerignore

@@ -0,0 +1,16 @@
+.git
+.github
+.checkpoint-karpathy
+.env
+temp
+data
+**/node_modules
+container/**/test
+container/**/test/**
+container/**/tests
+container/**/tests/**
+container/test
+workspace
+README.md
+README_CN.md
+docker-compose.yaml