feat: tutorial extension (#1169)

Co-authored-by: Kalvin Chau <kalvin@squareup.com>

crates/goose-mcp/src/developer/mod.rs

@@ -137,6 +137,10 @@ impl DeveloperRouter {
                 If you need to run a long lived command, background it - e.g. `uvicorn main:app &` so that
                 this tool does not run indefinitely.
 
+                **Important**: Each shell command runs in its own process. Things like directory changes or
+                sourcing files do not persist between tool calls. So you may need to repeat them each time by
+                stringing together commands, e.g. `cd example && ls` or `source env/bin/activate && pip install numpy`
+
                 **Important**: Use ripgrep - `rg` - when you need to locate a file or a code reference, other solutions
                 may show ignored or hidden files. For example *do not* use `find` or `ls -r`
                   - List files by name: `rg --files | rg <filename>`