Synchronise config with 'graphql-js'

.flowconfig

@@ -1,6 +1,49 @@
 [ignore]
-.*/dist/.*
-.*/node_modules/flow-bin/.*
+.*
+!<PROJECT_ROOT>/src
+!<PROJECT_ROOT>/node_modules/express
+!<PROJECT_ROOT>/node_modules/restify
+!<PROJECT_ROOT>/node_modules/connect
+!<PROJECT_ROOT>/node_modules/graphql
+!<PROJECT_ROOT>/node_modules/accepts
+!<PROJECT_ROOT>/node_modules/iterall
+!<PROJECT_ROOT>/node_modules/raw-body
+!<PROJECT_ROOT>/node_modules/body-parser
+!<PROJECT_ROOT>/node_modules/http-errors
+!<PROJECT_ROOT>/node_modules/content-type
+!<PROJECT_ROOT>/node_modules/chai
+!<PROJECT_ROOT>/node_modules/mocha
+!<PROJECT_ROOT>/node_modules/sinon
+!<PROJECT_ROOT>/node_modules/multer
+!<PROJECT_ROOT>/node_modules/supertest
+
+[include]
 
 [libs]
 ./resources/interfaces
+
+[lints]
+sketchy-null-bool=off
+sketchy-null-string=off
+sketchy-null-number=error
+sketchy-null-mixed=off
+sketchy-number=error
+untyped-type-import=off
+nonstrict-import=off
+untyped-import=off
+unclear-type=off
+deprecated-type=error
+deprecated-utility=error
+dynamic-export=off
+unsafe-getters-setters=error
+inexact-spread=error
+implicit-inexact-object=off
+unnecessary-optional-chain=error
+unnecessary-invariant=error
+
+[options]
+include_warnings=true
+module.use_strict=true
+
+[version]
+^0.102.0