docs: update features plan

docs/features/core.md

@@ -1,5 +1,9 @@
+# @idraw/core
+
 - [x] Scale canvas
 - [x] Scroll canvas
+- [] Render by requestAnimateFrame
+- [] Image load queue
 - [] Render data's elements
   - [] Text
   - [] Rect
@@ -8,5 +12,6 @@
   - [] Point
 - [] Drag elements
 - [] Move elements' index
+- [] Rotate elements
 - [] Transform elements's size
 - [] Undo action record

docs/features/idraw.md

@@ -1,3 +1,6 @@
-- [] Dashboard
-- [] Data input
-- [] Result export
+# @idraw
+
+- [] Dashboard render
+- [] Input Data
+- [] Export Picture
+- [] Export source file