Mongoose TCP tunnel

PUBLISHED_FROM=f03b963aaec02574e47c28ee8033551440b94f2d

docs/c-api/util.h/intro.md

@@ -7,6 +7,7 @@ items:
   - { name: mg_avprintf.md }
   - { name: mg_base64_decode.md }
   - { name: mg_base64_encode.md }
+  - { name: mg_basic_auth_header.md }
   - { name: mg_casecmp.md }
   - { name: mg_conn_addr_to_str.md }
   - { name: mg_fopen.md }
@@ -14,6 +15,8 @@ items:
   - { name: mg_hexdump_connection.md }
   - { name: mg_is_big_endian.md }
   - { name: mg_match_prefix.md }
+  - { name: mg_mbuf_append_base64.md }
+  - { name: mg_mbuf_append_base64_putc.md }
   - { name: mg_ncasecmp.md }
   - { name: mg_next_comma_list_entry.md }
   - { name: mg_open.md }