feat: created POJOs for message structures from the standard document

src/main/java/uulm/teamname/marvelous/gamelibrary/json/config/FieldType.java

@@ -0,0 +1,9 @@
+package uulm.teamname.marvelous.gamelibrary.json.config;
+
+/**
+ * Enum defining the different field types as described by standard document
+ */
+public enum FieldType {
+    GRASS,
+    ROCK,
+}

src/main/java/uulm/teamname/marvelous/gamelibrary/json/config/PartyConfiguration.java

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+package uulm.teamname.marvelous.gamelibrary.json.config;
+
+/**
+ * POJO describing the PartyConfiguration as defined by the standard document
+ */
+public class PartyConfiguration {
+    /** Max round amount in a match */
+    public int maxRounds;
+
+    /** Max round time in a match in seconds */
+    public int maxRoundTime;
+
+    /** Max overall time in a match in seconds */
+    public int maxGameTime;
+
+    /** Max time a single animation might take up in seconds */
+    public int maxAnimationTime;
+
+    /** Cooldown of the space stone in rounds */
+    public int spaceStoneCD;
+
+    /** Cooldown of the mind stone in rounds */
+    public int mindStoneCD;
+
+    /** Cooldown of the reality stone in rounds */
+    public int realityStoneCD;
+
+    /** Cooldown of the power stone in rounds */
+    public int powerStoneCD;
+
+    /** Cooldown of the time stone in rounds */
+    public int timeStoneCD;
+
+    /** Cooldown of the soul stone in rounds */
+    public int soulStoneCD;
+
+    /** Damage the mind stone does when used */
+    public int mindStoneDMG;
+
+    /** Max pause time. Optional */
+    public int maxPauseTime;
+}

src/main/java/uulm/teamname/marvelous/gamelibrary/json/config/ScenarioConfig.java

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+package uulm.teamname.marvelous.gamelibrary.json.config;
+
+import uulm.teamname.marvelous.gamelibrary.json.config.FieldType;
+
+/**
+ * POJO describing the ScenarioConfig as defined by the standard document
+ */
+public class ScenarioConfig {
+
+    /** An array containing the map based on the {@link FieldType} enum. So, ROCK and GRASS basically. */
+    public FieldType[][] scenario;
+    public String author;
+    public String name;
+}