update README.md and other docs to point to source only releases

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,14 +1,19 @@
 ---
 name: Bug report
-about: Create a report to help us improve
+about: Report a bug in MinIO (community edition is source-only)
 title: ''
 labels: community, triage
 assignees: ''
 
 ---
 
-## NOTE
-If this case is urgent, please subscribe to [Subnet](https://min.io/pricing) so that our 24/7 support team may help you faster.
+## IMPORTANT NOTES
+
+**Community Edition**: MinIO community edition is now source-only. Install via `go install github.com/minio/minio@latest`
+
+**Feature Requests**: We are no longer accepting feature requests for the community edition. For feature requests and enterprise support, please subscribe to [MinIO Enterprise Support](https://min.io/pricing).
+
+**Urgent Issues**: If this case is urgent or affects production, please subscribe to [SUBNET](https://min.io/pricing) for 24/7 enterprise support.
 
 <!--- Provide a general summary of the issue in the Title above -->
 

.github/ISSUE_TEMPLATE/config.yml

@@ -2,7 +2,7 @@ blank_issues_enabled: false
 contact_links:
   - name: MinIO Community Support
     url: https://slack.min.io
-    about: Join here for Community Support
-  - name: MinIO SUBNET Support
+    about: Community support via Slack - for questions and discussions
+  - name: MinIO Enterprise Support (SUBNET)
     url: https://min.io/pricing
-    about: Join here for Enterprise Support
+    about: Enterprise support with SLA - for production deployments and feature requests

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,20 +0,0 @@
----
-name: Feature request
-about: Suggest an idea for this project
-title: ''
-labels: community, triage
-assignees: ''
-
----
-
-**Is your feature request related to a problem? Please describe.**
-A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
-
-**Describe the solution you'd like**
-A clear and concise description of what you want to happen.
-
-**Describe alternatives you've considered**
-A clear and concise description of any alternative solutions or features you've considered.
-
-**Additional context**
-Add any other context or screenshots about the feature request here.