Feature - Add upload functionality on Web (#231)

* Added file selector

* Extract metadata to upload files to the web

* Added request for uploading

* Generate jpeg/Webp thumbnail for asset uploaded without thumbnail data

* Added generating thumbnail for video and WebSocket broadcast after thumbnail is generated

* Added video length extraction

* Added Uploading Panel

* Added upload progress store and styling the uploaded asset

* Added condition to only show upload panel when there is upload in progress

* Remove asset from the upload list after successfully uploading

* Added WebSocket to listen to upload event on the web

* Added mechanism to check for existing assets before uploading on the web

* Added test workflow

* Update readme

.github/workflows/test.yml

@@ -0,0 +1,17 @@
+name: Test
+on:
+  pull_request:
+  push: { branches: master }
+
+jobs:
+  test-server-e2e:
+    name: Run test suite
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Run Immich Server 2E2 Test
+        run: docker-compose -f ./docker/docker-compose.test.yml --env-file ./docker/.env.test up --abort-on-container-exit --exit-code-from immich_server_test