upd(codegen): re-add minimal type generation

codegen/templates/http_structs.tpl

@@ -0,0 +1,25 @@
+package {package}
+
+{load warning_short.tpl}
+
+{if !empty($imports)}
+import (
+{foreach ($imports as $import)}
+       "{import}"
+{/foreach}
+)
+{/if}
+
+{if !empty($structs)}
+type (
+{foreach $structs as $struct}
+       // {api.title} - {api.description}
+       {struct.name} struct {
+{foreach $struct.fields as $field}
+               {field.name} {field.type} `{if $field.tag}{$field.tag} {/if}db:"{if $field.db}{$field.db}{else}{$field.name|decamel}{/if}"`{newline}
+{/foreach}
+       }
+
+{/foreach}
+)
+{/if}

codegen/templates/warning_short.tpl

@@ -0,0 +1 @@
+/* If you want to edit this file by hand, remove codegen/[project]/types/index.php */