fix(plsql): add MAXSIZE option to STORAGE clause grammar (#65)

The Oracle parser did not recognize MAXSIZE in STORAGE clauses,
causing syntax errors for valid DDL like STORAGE(NEXT 1M MAXSIZE UNLIMITED).

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: h3n4l

plsql/PlSqlParser.g4

@@ -3769,6 +3769,7 @@ storage_clause
          | FLASH_CACHE (KEEP | NONE | DEFAULT)
          | CELL_FLASH_CACHE (KEEP | NONE | DEFAULT)
          | ENCRYPT
+         | MAXSIZE (UNLIMITED | size_clause)
          )+
        RIGHT_PAREN
     ;

plsql/examples/create_table.sql

@@ -394,3 +394,51 @@ CREATE TABLE print_media_demo
          NESTED TABLE ad_textdocs_ntab STORE AS nt_p2
        )
    TABLESPACE tbs_03;
+
+CREATE TABLE RPT.NN_CN_Q384_B1_RSLT
+(
+ TXN_DATE   DATE,
+ ETL_DATE   DATE,
+ ID_RSLT    NUMBER,
+ CN_CAP1    VARCHAR2(100),
+ CN_CAP2    VARCHAR2(100),
+ TEN_CN     VARCHAR2(4000),
+ TEN_PGD    VARCHAR2(4000),
+ STT_AO     NUMBER,
+ FORMAT_ROW VARCHAR2(50),
+ STT        VARCHAR2(1000),
+ TEN_DV     VARCHAR2(4000),
+ HDV        NUMBER,
+ DUNO       NUMBER,
+ BAO_LANH   NUMBER,
+ LC         NUMBER,
+ NOXAU      NUMBER,
+ TL_NOXAU   NUMBER
+) ROW STORE COMPRESS ADVANCED
+TABLESPACE ARCHIVE_TBS
+PCTUSED    0
+PCTFREE    10
+INITRANS   1
+MAXTRANS   255
+STORAGE    (
+           BUFFER_POOL      DEFAULT
+          )
+NOLOGGING
+PARTITION BY RANGE (TXN_DATE)
+INTERVAL (NUMTODSINTERVAL(1,'DAY'))
+(
+ PARTITION PART_01 VALUES LESS THAN (TO_DATE(' 2012-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN'))
+   NOLOGGING
+ROW STORE COMPRESS ADVANCED
+   TABLESPACE ARCHIVE_TBS
+   PCTFREE    10
+   INITRANS   1
+   MAXTRANS   255
+   STORAGE    (
+               INITIAL          8M
+               NEXT             1M
+               MAXSIZE          UNLIMITED
+               MINEXTENTS       1
+               MAXEXTENTS       UNLIMITED
+               BUFFER_POOL      DEFAULT
+));