docs: add repl

Author: gunjjoshi

lib/node_modules/@stdlib/fft/base/fftpack/rffti/docs/repl.txt

@@ -25,9 +25,11 @@
     --------
     > var N = 8;
     > var workspace = new {{alias:@stdlib/array/float64}}( (2*N) + 34 );
-    > {{alias}}( N, workspace, 1, 0 );
-    > workspace.slice();
-    <Float64Array>[ 0, ... 0, 0.7071067811865476, 0.7071067811865475, 0, ... 0, 8, 2, 2, 4, 0, ... 0 ]
+    > {{alias}}( N, workspace, 1, 0 )
+    > workspace.slice()
+    <Float64Array>[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0.7071067811865476,
+    ... 0.7071067811865475, 0, 0, 0, 0, 8, 2, 2, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    ... 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
 
     See Also
     --------