add pixie package

Signed-off-by: Michelle Nguyen <michellenguyen@pixielabs.ai>

packages/pixie/generated-changes/overlay/app-readme.md

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+# Pixie
+
+Pixie is an open source observability tool for Kubernetes applications. Use Pixie to view the high-level state of your cluster (service maps, cluster resources, application traffic) and also drill-down into more detailed views (pod state, flame graphs, individual full-body application requests).
+
+Three features enable Pixie's magical developer experience:
+
+- **Auto-telemetry:** Pixie uses eBPF to automatically collect telemetry data such as full-body requests, resource and network metrics, application profiles, and more. See the full list of data sources [here](https://docs.px.dev/about-pixie/data-sources/).
+
+- **In-Cluster Edge Compute:** Pixie collects, stores and queries all telemetry data locally in the cluster. Pixie uses less than 5% of cluster CPU, and in most cases less than 2%.
+
+- **Scriptability:** [PxL](https://docs.px.dev/reference/pxl/), Pixie’s flexible Pythonic query language, can be used across Pixie’s UI, CLI, and client APIs.
+
+## Prerequisites
+
+You must have either:
+
+- You need to have a Pixie account and deployment key on [Community Cloud for Pixie](https://withpixie.ai).
+- Or a Pixie account and deployment key on a [self-hosted Pixie Cloud](https://docs.px.dev/installing-pixie/install-guides/self-hosted-pixie/).
+

packages/pixie/generated-changes/overlay/questions.yaml

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+questions:
+- variable: deployKey
+  default: ""
+  required: true
+  type: password 
+  label: Pixie Deploy Key
+  group: Deploy Settings
+  description: Your Pixie deploy key. This can be generated through the Pixie CLI (px deploy-key create) or in Pixie's admin UI.

packages/pixie/generated-changes/patch/Chart.yaml.patch

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+--- charts-original/Chart.yaml
++++ charts/Chart.yaml
+@@ -2,3 +2,14 @@
+ name: pixie-operator-chart
+ type: application
+ version: 0.0.25
++kubeVersion: '>=1.16.0'
++icon: https://raw.githubusercontent.com/cncf/artwork/master/projects/pixie/icon/color/pixie-icon-color.svg 
++annotations:
++  catalog.cattle.io/certified: partner
++  catalog.cattle.io/release-name: pixie
++  catalog.cattle.io/display-name: Pixie
++description: Pixie is an open source observability tool for Kubernetes applications. Use Pixie to view the high-level state of your cluster and also drill-down into more detailed views.
++keywords:
++- monitoring
++- metric
++- observability

packages/pixie/package.yaml

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+url: https://storage.googleapis.com/pixie-operator-charts/pixie-operator-chart-0.0.25.tgz 
+packageVersion: 01