feat: dictation mode support script align to the audio

README.md

@@ -31,7 +31,8 @@ I am planning to add more like NPR (Short Wave, Like Kit, ... ), TED, talk shows
    1. Fill in the blank like Duolingo
    2. Check the answer
 3. **Dictation Mode**
-   1. Choose whole sentence randomly
+   1. Seek to accurate time of a script
+   1. Dictate sentence randomly
    2. Type the sentence and check the answer
 
 

public/assets/6mins/scripts/150212__antarctica.json

@@ -1 +1 @@
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+{"title":"Should tourists go to 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