feat: initial game screen and input window defs

utils/helper/incremental_print.go

@@ -0,0 +1,19 @@
+package helper
+
+import (
+	"time"
+
+	. "github.com/gbin/goncurses"
+)
+
+func IncrementalPrint(scr *Window, text string, from_y int, from_x int, interval_millis int) {
+  for i:=0; i < len(text); i++ {
+    ch := string([]rune(text)[i])
+    _, mx := scr.MaxYX()
+    cy := i / mx + 2 + from_y
+    cx := i % mx + 2
+    scr.MovePrint(cy, cx, ch)
+    time.Sleep( time.Duration(1000 / len(text)) * time.Millisecond)
+    scr.Refresh()
+  }
+}