refactor: standard naming (#278)

* refactor: rename flinksql to flink

* refactor: rename pgsql to postgresql

* refactor: rename trinosql to trino

* refactor: replace all default exports with named export

* refactor: rename basicParser to basicSQL

* refactor: rename basic-parser-types to types

* refactor: replace arrow func with plain func

test/parser/flink/contextCollect/fixtures/common.sql

@@ -0,0 +1,46 @@
+CREATE TABLE MyTable ('user_id' BIGINT, 'name' STRING) WITH ('connector' = 'oracle-x');
+
+CREATE TABLE my_ctas_table WITH ('connector' = 'kafka') 
+AS SELECT
+    id,
+    name,
+    age
+FROM
+    source_table
+WHERE
+    mod(id, 10) = 0;
+
+CREATE TABLE Orders_with_watermark (
+    id INT,
+    WATERMARK FOR order_time AS order_time - INTERVAL '5' SECOND
+) WITH (
+    'scan.startup.mode' = 'latest-offset'
+) LIKE Orders_in_file (
+    EXCLUDING ALL 
+    INCLUDING GENERATED
+);
+
+SELECT order_id, price + tax FROM Orders;
+
+SELECT * FROM Orders LEFT JOIN Product ON Orders.product_id = Product.id;
+
+(SELECT s FROM t1) UNION (SELECT s FROM t2);
+
+INSERT INTO country_page_view VALUES ('Chinese', 'mumiao', 18), ('Amercian', 'georage', 22);
+
+INSERT INTO catalog1.db1.country_page_view SELECT `user`, cnt FROM page_view_source;
+
+EXECUTE STATEMENT SET BEGIN
+    INSERT INTO country_page_view1
+    VALUES ('Chinese', 'mumiao', 18),
+        ('Amercian', 'georage', 22);
+    INSERT INTO country_page_view2
+    VALUES ('Chinese', 'mumiao', 18),
+        ('Amercian', 'georage', 22);
+END;
+
+CREATE VIEW view1(col1, col2) AS SELECT col3, col4 FROM tbl;
+
+CREATE DATABASE IF NOT EXISTS db1 WITH ('key1' = 'value1', 'key2.a' = 'value2.a');
+
+CREATE FUNCTION IF NOT EXISTS tempFunction AS 'SimpleUdf';