Initial commit: LWP (Line Wrapping Program) with deno compile and formatting

Added support for deno compilation and formatting to .deno.json file.
Implemented basic line wrapping functionality in src/lwrap.ts, using Wrapper
class to wrap lines at 80 characters.

deno.json

@@ -0,0 +1,7 @@
+{
+  "fmt": {
+    "useTabs": true,
+    "lineWidth": 120,
+    "semiColons": false
+  }
+}