Added purpose of admin login (#3790)

Author: ashoknayak777

docs/setup/install/Install-devtron-on-Minikube-Microk8s-K3s-Kind.md

@@ -69,6 +69,12 @@ kubectl -ndevtroncd port-forward service/devtron-service 8000:80
 
 ## Devtron Admin credentials
 
+When you install Devtron for the first time, it creates a default admin user and password (with unrestricted access to Devtron). You can use that credentials to log in as an administrator. 
+
+After the initial login, we recommend you set up any SSO service like Google, GitHub, etc., and then add other users (including yourself). Subsequently, all the users can use the same SSO (let's say, GitHub) to log in to Devtron's dashboard.
+
+The section below will help you understand the process of getting the administrator credentials.
+
 ### For Devtron version v0.6.0 and higher
 
 **Username**: `admin` <br>

docs/setup/install/faq-on-installation.md

@@ -37,5 +37,10 @@
   Next, [install Devtron](./install-devtron.md)
 </details>
 
+<details>
+  <summary>4. What's the purpose of 'Login as administrator' option on the login page?</summary>
+  When you install Devtron for the first time, it creates a default admin user and password (with unrestricted access to Devtron). You can use that credentials to log in as an administrator. After the initial login, we recommend you set up any SSO service like Google, GitHub, etc., and then add other users (including yourself). Subsequently, all the users can use the same SSO (let's say, GitHub) to log in to Devtron's dashboard.
+</details>
+
 
 Still facing issues, please reach out to us on [Discord](https://discord.gg/jsRG5qx2gp).

docs/setup/install/install-devtron-helm-3.md

@@ -172,6 +172,12 @@ If you don't see any results or receive a message that says "service doesn't exi
 
 ### Devtron Admin credentials
 
+When you install Devtron for the first time, it creates a default admin user and password (with unrestricted access to Devtron). You can use that credentials to log in as an administrator. 
+
+After the initial login, we recommend you set up any SSO service like Google, GitHub, etc., and then add other users (including yourself). Subsequently, all the users can use the same SSO (let's say, GitHub) to log in to Devtron's dashboard.
+
+The section below will help you understand the process of getting the administrator credentials.
+
 #### For Devtron version v0.6.0 and higher
 
 Use username:`admin` and for password run command mentioned below.

docs/setup/install/install-devtron-with-cicd-with-gitops.md

@@ -228,6 +228,12 @@ Please wait until the installation is completed.
 
 ## Devtron Admin credentials
 
+When you install Devtron for the first time, it creates a default admin user and password (with unrestricted access to Devtron). You can use that credentials to log in as an administrator. 
+
+After the initial login, we recommend you set up any SSO service like Google, GitHub, etc., and then add other users (including yourself). Subsequently, all the users can use the same SSO (let's say, GitHub) to log in to Devtron's dashboard.
+
+The section below will help you understand the process of getting the administrator credentials.
+
 ### For Devtron version v0.6.0 and higher
 
 **Username**: `admin` <br>

docs/setup/install/install-devtron-with-cicd.md

@@ -235,6 +235,12 @@ Please wait until the installation is completed.
 
 ## Devtron Admin credentials
 
+When you install Devtron for the first time, it creates a default admin user and password (with unrestricted access to Devtron). You can use that credentials to log in as an administrator. 
+
+After the initial login, we recommend you set up any SSO service like Google, GitHub, etc., and then add other users (including yourself). Subsequently, all the users can use the same SSO (let's say, GitHub) to log in to Devtron's dashboard.
+
+The sections below will help you understand the process of getting the administrator password.
+
 ### For Devtron version v0.6.0 and higher
 
 **Username**: `admin` <br>

docs/setup/install/install-devtron.md

@@ -72,6 +72,12 @@ The hostname `aaff16e9760594a92afa0140dbfd99f7-305259315.us-east-1.elb.amazonaws
 
 ## Devtron Admin credentials
 
+When you install Devtron for the first time, it creates a default admin user and password (with unrestricted access to Devtron). You can use that credentials to log in as an administrator. 
+
+After the initial login, we recommend you set up any SSO service like Google, GitHub, etc., and then add other users (including yourself). Subsequently, all the users can use the same SSO (let's say, GitHub) to log in to Devtron's dashboard.
+
+The section below will help you understand the process of getting the administrator credentials.
+
 ### For Devtron version v0.6.0 and higher
 
 **Username**: `admin` <br>