[+] New chain callback created_after() for network config parse

[+] chain_id field for tx_token. Now its universal and could be used not only for emission but for shard<->shard ledgers connections

dap_chain.c

@@ -261,6 +261,7 @@ dap_chain_t * dap_chain_load_from_cfg(const char * a_chain_net_name,dap_chain_ne
                     dap_chain_delete(l_chain);
                     l_chain = NULL;
                 }
+
             }else{
                 log_it (L_ERROR, "Can't init consensus \"%s\"",dap_config_get_item_str_default( l_cfg , "chain","consensus","NULL"));
                 dap_chain_delete(l_chain);

dap_chain.h

@@ -81,6 +81,8 @@ typedef struct dap_chain{
     struct dap_chain * next;
     struct dap_chain * prev;
 
+
+    dap_chain_callback_new_cfg_t callback_created;
     dap_chain_callback_t callback_delete;
 
     dap_chain_callback_atom_t callback_atom_add;

dap_chain_datum_tx_token.h

@@ -37,6 +37,7 @@ typedef struct dap_chain_tx_token{
         dap_chain_tx_item_type_t type:8;
         char ticker[10];
         uint8_t padding; // Padding
+        dap_chain_id_t token_emission_chain_id;
         dap_chain_hash_fast_t token_emission_hash;
     } header; /// Only header's hash is used for verification
 } DAP_ALIGN_PACKED dap_chain_tx_token_t;