Added V-(으)면 안 되다 and 지 않아도 되다

point/(으)면 안 되다.yaml

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+name: (으)면 안 되다
+definitions:
+  - slug: not-allowed-to-do-an-action
+    name: Not allowed to do an action
+    english_alternatives: May not, not allowed to
+    meaning: Used to say a particular action is not allowed
+    examples:
+      - sentence: 실내에서 담배를 피우면 안 돼요.
+        type: simple
+        translated: Smoking indoors is not allowed.
+        audio_url:
+      - sentence: 욵전 중에 전화하면 안 돼요.
+        type: simple
+        translated: Using the phone while driving is not allowed.
+        audio_url:
+      - sentence: 지금 길을 건너면 안 돼요.
+        type: simple
+        translated: You may not cross the street now.
+        audio_url:
+metadata:
+  type: composite
+details: |-
+  # Double Negative {#double-negative}
+
+  It can also be used in the double negative form that is, <f>지 않으면 안 되다</f>, to emphasize that a particular behaviour must be performed
+
+  ::example[병이 심각해서 수술하지 않으면 안 돼요. | Because the illness is serious, surgery must be performed. | ]

point/지_않아도_되다.yaml

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+name: 지 않아도 되다
+definitions:
+  - slug: behaviour-is-not-necessary
+    name: Behaviour is not necessary
+    english_alternatives: Does not have to
+    meaning: Used to say a particular behaviour is not necesssary. It is the negative form of <f>아/어야 되다</f>.
+    examples:
+      - sentence: 유치원생은 버스 요금을 <f>내지 않아도 돼요</f>.
+        type: simple
+        translated: Preschool students don't have to pay the bus fare.
+        audio_url:
+      - sentence: 평일이니까 영화 표를 미리 <f>사지 않아도 돼요</f>.
+        type: simple
+        translated: Because it's a weekday, we don't have to buy tickets in advance.
+        audio_url:
+metadata:
+  type: composite
+details: |-
+  # Other forms {#other-forms}
+
+  In place of <f>지 안아도 되다</f> you can also use <f>안 아/어도 되다</f>
+
+  ::example[금요일에는 정장을 <f>안 입어도 돼요</f>. | On Fridays, we don't have to wear suits. | ]
+