Merge pull request #347 from arlonproj/smadhura-arlon-readme-edit

Arlon readme edits

README.md

@@ -8,9 +8,15 @@
 
 # ![logo](./docs/images/logo_arlon.svg)
 
-Arlon is a lifecycle management and configuration tool for Kubernetes clusters.
-It allows an administrator to compose, deploy and configure a large number of
-*workload clusters* in a structured, predictable way.
+Arlon is a declarative, gitops based fleet management tool for Kubernetes clusters.
+It allows administrators to 
+- Deploy and upgrade a large number of *workload clusters* 
+- Secure clusters by installing and configuring policies
+- Install a set of applications / add-ons on the clusters 
+all in a structured, predictable manner. 
+Arlon makes Kubernetes cluster fleet management secure, version controlled, auditable and easy to perform at scale. 
+
+
 Arlon takes advantage of multiple declarative cluster management API providers for the
 actual cluster orchestration: the first two supported API providers are
 Cluster API and Crossplane.
@@ -23,14 +29,13 @@ e.g. Kubernetes version, cloud provider, cluster type, node instance type.
 - *Profile*: a grouping of configuration bundles which will be installed into the cluster
 - *Configuration bundle*: a unit of configuration which contains (or references) one or
 more Kubernetes manifests. A bundle can encapsulate anything that can be deployed onto a cluster:
-an RBAC ruleset, an add-on, an application, etc... 
+an RBAC ruleset, an add-on, an application, etc. 
 
 ## Arlon Benefits
 
-- Unifies infrastructure and application management
-- Improves time to market by enabling better velocity for developers through infrastructure management that is more fluid and agile  
-- Reduces the risk of unexpected infrastructure & application downtime and outages - with consistent management of infrastructure and applications  
-- Allows IT and Platform Ops admins to operate large scale of clusters & applications with significantly reduced team size & operational overhead 
+- Improves time to market by enabling better velocity for developers through infrastructure management that is more fluid and agile. Define, store, change and enforce your cluster infrastructure & application add-ons at scale.  
+- Reduces the risk of unexpected infrastructure downtime and outages, or unexpected security misconfiguration, with consistent management of infrastructure and security policies.   
+- Allows IT and Platform Ops admins to operate large scale of clusters, infrastructure & add-ons with significantly reduced team size & operational overhead, using GitOps. 
 
 # Contents