added flux secrets package

content/v2.0/reference/flux/functions/secrets/_index.md

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+---
+title: Flux InfluxDB Secrets package
+list_title: InfluxDB Secrets package
+description: >
+  The Flux InfluxDB Secrets package provides functions for working with sensitive secrets managed by InfluxDB.
+  Import the `influxdata/influxdb/secrets` package.
+menu:
+  v2_0_ref:
+    name: InfluxDB Secrets
+    parent: Flux packages and functions
+weight: 202
+v2.0/tags: [functions, secrets, package]
+---
+
+InfluxDB Secrets Flux functions provide tools for working with sensitive secrets managed by InfluxDB.
+Import the `influxdata/influxdb/secrets` package:
+
+```js
+import "influxdata/influxdb/secrets"
+```
+
+{{< children type="functions" show="pages" >}}

content/v2.0/reference/flux/functions/secrets/get.md

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+---
+title: secrets.get() function
+description: >
+  The `secrets.get()` function retrieves a secret from the InfluxDB secret store.
+menu:
+  v2_0_ref:
+    name: secrets.get
+    parent: InfluxDB Secrets
+weight: 202
+---
+
+The `secrets.get()` function retrieves a secret from the InfluxDB secret store.
+
+_**Function type:** Miscellaneous_
+
+```js
+import "influxdata/influxdb/secrets"
+
+secrets.get(key: "KEY_NAME")
+```
+
+## Parameters
+
+### key
+The secret key to retrieve.
+
+_**Data type:** String_
+
+## Examples
+
+### Populate sensitive credentials with secrets
+```js
+import "sql"
+import "influxdata/influxdb/secrets"
+
+username = secrets.get(key: "POSTGRES_USERNAME")
+password = secrets.get(key: "POSTGRES_PASSWORD")
+
+sql.from(
+  driverName: "postgres",
+  dataSourceName: "postgresql://${username}:${password}@localhost",
+  query:"SELECT * FROM example-table"
+)
+```