Update .gitignore

htdocs/includes/mike42/escpos-php/.gitignore

@@ -4,9 +4,7 @@
 .buildpath
 
 # doxygen files
-doc/html
-doc/latex
-doc/doxygen_sqlite3.db
+doc
 
 # composer files
 vendor/
@@ -14,5 +12,3 @@ vendor/
 # other build files
 build/*
 *.phar
-/example/
-/test/

package.json

@@ -8,6 +8,7 @@
     "test:e2e": "node_modules/cucumber/bin/cucumber-js --require test/acceptance/index.js --require test/acceptance/setup.js --require test/acceptance/stepDefinitions -f node_modules/cucumber-pretty"
   },
   "dependencies": {
+    "chart.js": "^2.9.4",
     "cucumber-pretty": "^6.0.0",
     "node-fetch": "^2.6.1"
   }