fix(npm): improve .npmignore to reduce the size of the published packages (#3970)

| package | gzipped (before) | unpacked (before) | gzipped (after) | unpacked (after) |
| --- | --- | --- | --- | --- |
| cli | 367.7 kB | 2.3 MB | 165.5 kB | 1.0 MB |
| core | 65.4 kB | 450.6 kB | 26.5 kB | 164.9 kB |
| design-system | 180.9 kB | 660.2 kB | 117.6 kB | 449.2 kB |
| editor-ui | 3.5 MB | 12.4 MB | 3.5 MB | 12.4 MB |
| node-dev | 13.5 kB | 44.7 kB | 10.6 kB | 35.3 kB |
| nodes-base | 3.0 MB | 24.3 MB | 2.0 MB | 15.2 MB |
| workflow | 101.4 kB | 827.7 kB | 28.8 kB | 165.7 kB |

.npmignore

@@ -0,0 +1,28 @@
+dist/test
+dist/**/*.{js.map,d.ts}
+
+.DS_Store
+
+# local env files
+.env.local
+.env.*.local
+
+# Log files
+yarn-debug.log*
+yarn-error.log*
+
+# Editor directories and files
+.idea
+.vscode
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw*
+
+.editorconfig
+.eslintrc.js
+tsconfig.json
+tslint.json
+
+.turbo