Update gitignore

gitignore contained weird files and lacked one.

.gitignore

@@ -1,21 +1,6 @@
-.DS_Store
+# Npm
 node_modules
-/dist
-
-# local env files
-.env.local
-.env.*.local
+package-lock.json
 
-# Log files
-npm-debug.log*
-yarn-debug.log*
-yarn-error.log*
-
-# Editor directories and files
-.idea
-.vscode
-*.suo
-*.ntvs*
-*.njsproj
-*.sln
-*.sw*
+# Webpack
+/dist