expose all previously exposes types (Row, Rows, Stmt, ...)

readme.md

@@ -204,7 +204,7 @@ var pool = try zqlite.Pool.init(allocator, .{
 });
 
 const c1 = pool.acquire();
-defer pool.release(c1);
+defer c1.release();
 c1.execNoArgs(...);
 ```
 

src/zqlite.zig

@@ -1,9 +1,15 @@
 const std = @import("std");
 pub const c = @cImport(@cInclude("sqlite3.h"));
 
-pub const Conn = @import("conn.zig").Conn;
 pub const Pool = @import("pool.zig").Pool;
 
+const conn = @import("conn.zig");
+pub const Conn = conn.Conn;
+pub const Row = conn.Row;
+pub const Rows = conn.Rows;
+pub const Stmt = conn.Stmt;
+pub const ColumnType = conn.ColumnType;
+
 pub fn open(path: [*:0]const u8, flags: c_int) !Conn {
     return Conn.init(path, flags);
 }