chore: add GitHub issue templates

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,17 @@
+---
+name: Bug report
+about: Something is broken in the proxy
+title: 'bug: '
+labels: bug
+---
+
+**Version / OS / Python:**
+
+**What happened:**
+
+**Steps to reproduce:**
+
+**DEBUG log excerpt (redact `auth_key` and `script_id`):**
+
+```
+```

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Setup help and general questions
+    url: https://github.com/denuitt1/mhr-cfw#readme
+    about: Read the README first — it covers setup, AUTH_KEY / WORKER_URL wiring, and `--scan`.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,10 @@
+---
+name: Feature request
+about: Suggest an improvement
+title: 'feat: '
+labels: enhancement
+---
+
+**Problem:**
+
+**Proposal:**

.github/ISSUE_TEMPLATE/other.md

@@ -0,0 +1,10 @@
+---
+name: Other
+about: Anything that doesn't fit the templates above
+title: ''
+labels: ''
+---
+
+**What's this about:**
+
+**Details:**

.github/ISSUE_TEMPLATE/site_not_working.md

@@ -0,0 +1,17 @@
+---
+name: Site not working
+about: A specific site fails through the proxy (other sites are fine)
+title: 'site: '
+labels: site-issue
+---
+
+**URL:**
+
+**Works without the proxy:** yes / no
+
+**What you see (error, blank page, broken assets, etc.):**
+
+**DEBUG log excerpt for the failing request (redacted):**
+
+```
+```