Removed types file and put each type struct with the code for that type

src/modb_metadata_ext.h

@@ -0,0 +1,48 @@
+#ifndef H__MODB_METADATA_EXT__
+#define H__MODB_METADATA_EXT__
+
+#include "modb_ref.h"
+
+
+// MetadataExtended object
+struct metadata_ext_t {
+  unsigned int id;
+
+// TODO: dynamic extended metadata definition
+//  struct metadata_ext_value_t **meta_ext;
+//  size_t n_meta_ext;
+};
+
+//struct metadata_ext_value_t {
+//  char *key;
+//  enum e_column_type_t type;
+//  union {
+//    void *vptr;_ptr
+
+//    int8_t int8;
+//    uint8_t uint8;
+
+//    int16_t int16;
+//    uint16_t uint16;
+
+//    int32_t int32;
+//    uint32_t uint32;
+
+//    int64_t int64;
+//    uint64_t uint64;
+
+//    float flt;
+//    double dbl;
+
+//    char *ptr_str;
+//  } value;
+//  size_t value_len;
+//};
+
+struct metadata_ext_t *allocMetadataExt(void);
+struct metadata_ext_t **allocMetadataExts(size_t n_metadata_exts);
+void freeMetadataExt(struct metadata_ext_t **metadata_ext);
+void freeMetadataExts(struct metadata_ext_t ***metadata_exts_ptr, size_t n_metadata_exts);
+
+
+#endif // H__MODB_METADATA_EXT__