temp: add snapshot folder to exclude in TS build

tsc doesn't work due to lacking the other generated folders necessary
for type checking

Author: kyleamazza-fq

tsconfig.json

@@ -10,5 +10,5 @@
     "strictNullChecks": true
   },
   "include": ["src"],
-  "exclude": ["**/*.test?.*"]
+  "exclude": ["**/*.test?.*", "src/snapshot/**/*"]
 }