docs(okf): frontmatter OKF + rich abstracts nas descriptions

Normalizacao OKF dos .md: type/title/description/timestamp/layer +
descriptions factuais (rich abstracts). Apenas .md tracked; corpos intactos.
Parte da aplicacao OKF a /Dados/Dev (28-06-2026).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,49 +0,0 @@
----
-name: Bug report
-about: Create a report to help us improve
-title: ''
-labels: bug
-assignees: ''
-
----
-
-**Describe the Bug**
-A clear and concise description of what the bug is.
-
-**To Reproduce**
-Steps to reproduce the behavior:
-1. Send request to API: [specify endpoint, include payload example]
-2. Go to '...'
-3. Click on '....'
-4. Scroll down to '....'
-5. See error
-
-**Expected vs Actual Behavior**
-- Expected: A clear and concise description of what you expected to happen.
-- Actual: A clear and concise description of what actually happened.
-
-**Screenshots**
-If applicable, add screenshots to help explain your problem.
-
-**Environment**
-- App Version: [e.g., 1.16.0]
-- Mode: [Local, Cloud, Private]
-- Operation: [sending/receiving SMS]
-- Integration: [e.g., CLI, API, PHP client, etc.]
-- Network Type: [WiFi/Mobile Data]
-
-**Smartphone**
-- Device: [e.g., Google Pixel]
-- OS: [e.g., Android 11]
-- SIM Card Count: [e.g., 1 or 2] (Please specify the number of active SIM cards in the device)
-
-**Additional Context**
-Add any other context about the problem here, such as log file excerpts.
-
-**Checklist Before Submission**
-- [ ] I have described the bug in detail.
-- [ ] I have provided the steps to reproduce.
-- [ ] I have included screenshots (if applicable).
-- [ ] I have provided environment details.
-- [ ] I have included relevant log file excerpts (if applicable).
-- [ ] I have read [FAQ](https://sms-gate.app/faq/general/) and other relevant information.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,20 +0,0 @@
----
-name: Feature request
-about: Suggest an idea for this project
-title: ''
-labels: enhancement
-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.