Merge branch 'feat/part-one' into 'master'

src/main/java/edu/ntnu/idatt2001/group_30/Game.java

src/main/java/edu/ntnu/idatt2001/group_30/Link.java

src/main/java/edu/ntnu/idatt2001/group_30/Passage.java

src/main/java/edu/ntnu/idatt2001/group_30/Player.java

src/main/java/edu/ntnu/idatt2001/group_30/Story.java

...main/java/edu/ntnu/idatt2001/group_30/actions/Action.java

.../java/edu/ntnu/idatt2001/group_30/actions/GoldAction.java

...ava/edu/ntnu/idatt2001/group_30/actions/HealthAction.java

.../edu/ntnu/idatt2001/group_30/actions/InventoryAction.java

...java/edu/ntnu/idatt2001/group_30/actions/ScoreAction.java

src/main/java/edu/ntnu/idatt2001/group_30/goals/Goal.java

...main/java/edu/ntnu/idatt2001/group_30/goals/GoldGoal.java

...in/java/edu/ntnu/idatt2001/group_30/goals/HealthGoal.java

...java/edu/ntnu/idatt2001/group_30/goals/InventoryGoal.java

...ain/java/edu/ntnu/idatt2001/group_30/goals/ScoreGoal.java

src/test/java/edu/ntnu/idatt2001/group_30/LinkTest.java

src/test/java/edu/ntnu/idatt2001/group_30/PassageTest.java

src/test/java/edu/ntnu/idatt2001/group_30/PlayerTest.java

src/test/java/edu/ntnu/idatt2001/group_30/StoryTest.java

...a/edu/ntnu/idatt2001/group_30/actions/GoldActionTest.java