Docs are generated for Mongoose

Comments in headers are changed a bit: removed adoc-specific stuff,
markdown is used instead

PUBLISHED_FROM=9242cce85cc52a47a197d377e7e23804721a6bb5

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

@@ -0,0 +1,11 @@
+---
+title: "mg_vcasecmp()"
+decl_name: "mg_vcasecmp"
+symbol_kind: "func"
+signature: |
+  int mg_vcasecmp(const struct mg_str *str2, const char *str1);
+---
+
+Cross-platform version of `strncasecmp()` where first string is
+specified by `struct mg_str`. 
+