chore: Tweak issue templates (#7455)

* chore: Tweak issue templates

* chore: fixup emoji

---------

Co-authored-by: Beka Westberg <bwestberg@google.com>

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -1,5 +1,5 @@
-name: Bug Report
-description: Create a report to help us improve
+name: Report a bug 🐛
+description: Report bugs in Blockly, so we can fix them.
 labels: 'issue: bug, issue: triage'
 body:
   - type: markdown

.github/ISSUE_TEMPLATE/config.yml

@@ -1,7 +1,7 @@
 contact_links:
-  - name: Blockly Forum
+  - name: Ask a question ❓
     url: https://groups.google.com/forum/#!forum/blockly
-    about: The Blockly developer forum, where you can ask and answer questions.
-  - name: Plugins and examples
+    about: Go to the Blockly developer forum, where you can ask and answer questions.
+  - name: Report issues with plugins and examples 🧩
     url: https://github.com/google/blockly-samples/issues/new/choose
     about: File bugs or feature requests about plugins and samples in our blockly-samples repository.

.github/ISSUE_TEMPLATE/documentation.yaml

@@ -1,5 +1,5 @@
-name: Documentation
-description: Report an issue with our documentation
+name: Report a documentation problem 📖
+description: Could our documentation be better? Tell us how.
 labels: 'issue: docs, issue: triage'
 body:
   - type: markdown

.github/ISSUE_TEMPLATE/feature_request.yaml

@@ -1,5 +1,5 @@
-name: Feature request
-description: Suggest an idea for this project
+name: Make a feature request ✨
+description: Suggest an idea to make Blockly better.
 labels: 'issue: feature request, issue: triage'
 body:
   - type: markdown