use Jsont.Error for unsupported CS denom

better fix

.jjconflict-side-0/src/dune

@@ -0,0 +1,45 @@
+(executable
+ (public_name mte)
+ (name mte)
+ (modules mte)
+ (libraries mte))
+
+(library
+ (name mte)
+ (wrapped false)
+ (modules :standard \ mte b32)
+ (libraries
+  b32
+  include
+  ;
+  caqti
+  caqti-miou
+  caqti-miou.unix
+  caqti-driver-pgx
+  bin
+  mirage-crypto
+  digestif
+  duration
+  vif
+  fmt
+  jsont
+  cohttp
+  ptime
+  logs
+  logs.fmt
+  logs.threaded
+  fmt.tty))
+
+(library ; crockford base32
+ (name b32)
+ (modules b32)
+ (libraries base32))
+
+(rule
+ (target assets_crunch.ml)
+ (deps
+  (source_tree ../data/assets/))
+ (action
+  (with-stdout-to
+   %{null}
+   (run ocaml-crunch -m plain ../data/assets -o %{target}))))