add gitignore

wax-table-service/.gitignore

+# dependencies
+/node_modules
+
+# testing
+/coverage
+
+# production
+/build
+
+# dist
+/dist
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+.directory
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+yarn.lock
+package-lock.json