Update tutorial and add TODOs

Author: kgryte

lib/node_modules/@stdlib/repl/docs/tutorials/read_eval_print_loop.txt

@@ -65,7 +65,7 @@ As another simple example, evaluate the following input
 --
 
 \s
-in this case, we entered `1+1` (user inputs), instructed the REPL to evaluate
+In this case, we entered `1+1` (user inputs) and instructed the REPL to evaluate
 those inputs (\*RETURN\s), and the REPL returned (and printed) the result.
 
 --
@@ -77,6 +77,7 @@ the \*r\sead-\*e\sval-\*p\srint \*l\soop.
 ---
 
 | REPLs are useful for...
+\s
 
 --
 
@@ -92,4 +93,44 @@ the \*r\sead-\*e\sval-\*p\srint \*l\soop.
 
 ---
 
+TODO: help and docs
+
+---
+
+TODO: silencing printing
+
+---
+
+TODO: TAB completion (FS APIs)
+
+---
+
+TODO: TAB completion (computed properties)
+
+---
+
+TODO: TAB completion (local scope)
+
+---
+
+TODO: workspaces
+
+---
+
+TODO: top-level await
+
+---
+
+TODO: rerun
+
+---
+
+TODO: rerequire
+
+---
+
+TODO: plotting
+
+---
+
 | The End