Cleanup examples (#5817)

- Remove outdated examples
- Rename folders for consistency
- Remove lots of unused deps in angular example.
- Rename `name` inside `package.json`'s from `@uppy-example/*` to
`example-*`.

**Before**

```
├── angular-example
├── aws-companion
├── aws-nodejs
├── aws-php
├── bundled
├── cdn-example
├── custom-provider
├── digitalocean-spaces
├── multiple-instances
├── node-xhr
├── php-xhr
├── python-xhr
├── react
├── react-native-expo
├── redux
├── sveltekit
├── transloadit
├── transloadit-markdown-bin
├── uppy-with-companion
├── vue3
└── xhr-bundle
```

**After**

```
examples
├── angular
├── aws-companion
├── aws-nodejs
├── aws-php
├── cdn
├── companion
├── companion-custom-provider
├── companion-digitalocean-spaces
├── react
├── react-native-expo
├── redux
├── sveltekit
├── transloadit
├── vue
├── xhr-bundle
├── xhr-node
├── xhr-php
└── xhr-python
```

examples/angular/package.json

@@ -0,0 +1,37 @@
+{
+  "name": "example-angular",
+  "version": "0.0.0",
+  "scripts": {
+    "ng": "ng",
+    "start": "ng serve",
+    "build": "ng build",
+    "watch": "ng build --watch --configuration development"
+  },
+  "private": true,
+  "dependencies": {
+    "@angular/animations": "^18.0.0",
+    "@angular/common": "^18.0.0",
+    "@angular/compiler": "^18.0.0",
+    "@angular/core": "^18.0.0",
+    "@angular/forms": "^18.0.0",
+    "@angular/platform-browser": "^18.0.0",
+    "@angular/platform-browser-dynamic": "^18.0.0",
+    "@angular/router": "^18.0.0",
+    "@uppy/angular": "workspace:*",
+    "@uppy/core": "workspace:*",
+    "@uppy/drag-drop": "workspace:*",
+    "@uppy/google-drive": "workspace:*",
+    "@uppy/progress-bar": "workspace:*",
+    "@uppy/tus": "workspace:*",
+    "@uppy/webcam": "workspace:*",
+    "rxjs": "~7.8.0",
+    "tslib": "^2.3.0",
+    "zone.js": "~0.14.3"
+  },
+  "devDependencies": {
+    "@angular-devkit/build-angular": "^18.0.2",
+    "@angular/cli": "^18.0.2",
+    "@angular/compiler-cli": "^18.0.0",
+    "typescript": "~5.4"
+  }
+}