docs: Add contact links and note on issue upvote (#432)

docs: More options for issues and add note on issue upvote

Signed-off-by: terrytangyuan <terrytangyuan@gmail.com>

.github/ISSUE_TEMPLATE/bug_report.md

@@ -11,3 +11,9 @@ labels: "type/bug \U0001F41B"
 ## Reproduction
 
 ## Additional Info
+
+---
+<!-- Issue Author: Don't delete this message to encourage other users to support your issue! -->
+**Message from the maintainers**:
+
+Impacted by this bug? Give it a 👍. We prioritise the issues with the most 👍.

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,12 @@
+blank_issues_enabled: false
+
+contact_links:
+  - name: Have you read the docs?
+    url: https://envd.tensorchord.ai/docs/get-started/
+    about: Much help can be found in the docs
+  - name: Ask a question
+    url: https://github.com/tensorchord/envd/discussions/new
+    about: Ask a question or start a discussion
+  - name: Chat on Discord
+    url: https://discord.gg/KqswhpVgdU
+    about: Maybe chatting with the community can help

.github/ISSUE_TEMPLATE/feature-request.md

@@ -7,3 +7,9 @@ labels: "type/feature \U0001F4A1"
 ---
 
 ## Description
+
+---
+<!-- Issue Author: Don't delete this message to encourage other users to support your issue! -->
+**Message from the maintainers**:
+
+Love this enhancement proposal? Give it a 👍. We prioritise the proposals with the most 👍.