fix: codespaces tour steps

Signed-off-by: Sam Gammon <[email protected]>

.devcontainer/README.md

@@ -20,23 +20,13 @@ This GitHub Codespace comes pre-installed with the latest version of [Elide](htt
 elide info
 ```
 
-**To verify working installation:**
-
-```
-elide selftest
-```
-
 ### JavaScript
 
 **To run a JavaScript terminal:**
 
 ```
 elide
 ```
-Or:
-```
-elide repl
-```
 
 **Encode some JSON:**
 
@@ -73,7 +63,7 @@ elide serve tools/scripts/server.js
 **To run a Python terminal:**
 
 ```
-elide repl --python
+elide python
 ```
 
 **To see `.env` environment:**
@@ -85,7 +75,7 @@ import os; print(os.environ)
 **To see all environment, including host env:**
 
 ```
-elide repl --python --host:allow-env
+elide run --python --host:allow-env
 ```
 
 ```python
@@ -97,7 +87,7 @@ import os; print(os.environ)
 **To run a Ruby terminal:**
 
 ```
-elide repl --ruby
+elide ruby
 ```
 
 **Say hello:**