Add: RawToken and RawTokenType for token representation

src/main/java/ch/unibas/dmi/dbis/cs108/casono/server/tokenizer/RawToken.java

@@ -0,0 +1,8 @@
+package ch.unibas.dmi.dbis.cs108.casono.server.tokenizer;
+
+public record RawToken(
+    RawTokenType type,
+    String value,
+    int line,
+    int column
+) {}

src/main/java/ch/unibas/dmi/dbis/cs108/casono/server/tokenizer/RawTokenType.java

@@ -0,0 +1,9 @@
+package ch.unibas.dmi.dbis.cs108.casono.server.tokenizer;
+
+public enum RawTokenType {
+    WORD,
+    STRING,
+    SEPARATOR,
+    NEWLINE,
+    EOF
+}