Added installation instruction for both platform

Author: rohantryskybox

src/connections/destinations/catalog/test-flow/index.md

@@ -1,21 +1,99 @@
 ---
-title: 1Flow (Actions) Destination
+title: 1Flow Mobile Plugin Destination
 ---
 
 [1Flow](https://1flow.ai/?utm_source=segmentio&utm_medium=docs&utm_campaign=partners) is a leading in-app user survey and messaging platform for Mobile app and SaaS businesses.
 
 Using 1Flow, you can reach users _in-the-moment_ while they are interacting with your website or application, to collect highly contextual user insights that help you improve your product offering and customer experience
 
-This destination is maintained by 1Flow. For any issues with the destination, [contact their Support team](mailto:[email protected]).
+The 1Flow Mobile Plugin Destination is open-source and available on GitHub. You can view these repositories here:
+
+- [iOS](https://github.com/1Flow-Inc/Segment1Flow.git){:target="_blank"} 
+- [Android](https://github.com/1Flow-Inc/1flow-segment-tool.git){:target="_blank"}
+
+This destination is maintained by 1Flow. For any issues with the destination, [contact Support team](mailto:[email protected]).
 
 ## Getting started
 
-1. From the Segment web app, click **Catalog**, then click **1Flow**.
-2. Find the Destinations Actions item in the left navigation, and click it.
-3. Click **Configure 1Flow**.
-4. Select an existing Source to connect to 1Flow (Actions).
-5. Go to 1flow.ai -> Settings -> Project Settings -> Copy 1Flow project key and paste it into the Connection Settings in Segment.
+1. From the Segment web app, click **Catalog**, then search for **1Flow Mobile Plugin**.
+2. Click **Add Destination**.
+4. Select an existing Source to connect to 1Flow Mobile Plugin.
+5. Go to 1flow.ai -> Settings -> Project Settings, copy the 1Flow project key, and paste it into the Destination Settings in Segment.
+6. Depending on the mobile source you’ve selected, include 1Flow's library by adding the following lines to your dependency configuration.
+
+## iOS
+
+### Step 1: Add Segment1Flow Package using Swift Package Manager
+
+In the Xcode File menu, click Add Packages. You'll see a dialog where you can search for Swift packages. In the search field, enter the URL to this repo.
+
+https://github.com/1Flow-Inc/Segment1Flow
+
+You'll then have the option to pin to a version, or specific branch, as well as which project in your workspace to add it to. Once you've made your selections, click the Add Package button.
+
+### Step 2: Initialise Segment and Add 1Fow Destination
+
+```
+    let config = Configuration(writeKey: "YOUR_WRITE_KEY_HERE")
+    let analytics = Analytics(configuration: config)
+    analytics.add(plugin: OneFlowDestination())
+```
+
+## Android
+
+### Step 1: Install 1Flow-Segment-Tool
+
+- If gradle version is 6.5 or lower, include the below repository in your project's build.gradle file:
 
+```
+allprojects{
+    repositories{
+        google()
+        jcenter()
+        maven{url 'https://jitpack.io'} 
+    }
+}
+```
+
+- If gradle version is higher than 6.5, add the below code in settings.gradle.
+
+```
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+        maven{url 'https://jitpack.io'}
+    }
+}
+```
+
+- Add dependency in your app's build.gradle file:
+
+```
+compileSdkVersion 34
+....
+defaultConfig {
+              ....
+              minSdkVersion 21
+    }
+dependencies {
+        ....
+    implementation 'com.segment.analytics.android:analytics:4.11.3'
+    implementation "com.github.1Flow-Inc:1flow-segment-tool:2023.09.14"
+}
+```
+
+### Step 2: Initialize Segment and add 1Flow Destination
+```
+Analytics analytics = new Analytics.Builder(context, "YOUR_WRITE_KEY_HERE")
+    .use(OneFlowIntegration.FACTORY)
+    ...
+   .build();
+    ...
+    Analytics.setSingletonInstance(analytics);
+
+```
 
 ## Supported methods