Add vob/json5 to the catalog

catalog.json

         }
       }
     },
+    "json5": {
+      "0.1.0": {
+        "depends": {},
+        "description": "A C++ implementation of a JSON5 parser",
+        "git": {
+          "auto-lib": null,
+          "ref": "0.1.0",
+          "url": "https://github.com/vector-of-bool/json5.git"
+        }
+      }
+    },
     "ms-wil": {
       "2019.11.10": {
         "depends": {},

tools/gen-catalog-json.py

         'A C++ implementation of the Pubgrub version solving algorithm',
         git_url='https://github.com/vector-of-bool/pubgrub.git',
     ),
+    many_versions(
+        'json5',
+        ('0.1.0', ),
+        description='A C++ implementation of a JSON5 parser',
+        git_url='https://github.com/vector-of-bool/json5.git',
+    ),
     many_versions(
         'spdlog',
         (