[add] dotnet, fix config

zsh.add

@@ -15,6 +15,7 @@ function agent() {
         --add-host=host.docker.internal:host-gateway \
         -v "$TARGET_DIR:/workspace" \
         -v "$HOME/dev/ai/opencode.cfg:/root/.config/opencode" \
+        -v "$HOME/git/mcp:/root/mcp" \
         -v opencode-cargo-cache:/root/.cargo \
         -v opencode-go-cache:/root/go \
         -v opencode-bun-cache:/root/.bun \