fix: use npmignore instead of files list to limit size

.npmignore

@@ -1,7 +1,18 @@
+# Ignore everything
 *
+
+# Add built files
 !dist/*.d.ts
-!custom-elements.json
 !dist/**/*.js
 !dist/**/*.map
-!docs/**
-dist/**/*test*
+
+# Add source files
+!src/*.ts
+!src/drive-picker/**/*
+
+# Add web component specific files
+!custom-elements.json
+
+# Add documentation specific files
+!SECURITY.md
+!CHANGELOG.md

package.json

@@ -36,11 +36,6 @@
 		},
 		"./package.json": "./package.json"
 	},
-	"files": [
-		"dist",
-		"src",
-		"custom-elements.json"
-	],
 	"homepage": "https://github.com/googleworkspace/drive-picker-element",
 	"repository": {
 		"type": "git",