初始化 telegram-downloader 并接入群晖 CI/CD

.github/ISSUE_TEMPLATE/documentation-improvement.md

@@ -0,0 +1,20 @@
+---
+name: Documentation Improvement
+about: Report wrong or missing documentation.
+title: 'DOC:'
+labels: ''
+assignees: ''
+
+---
+
+#### Location of the documentation
+
+[this should provide the location of the documentation, e.g. "CONTRIBUTION.md" or the URL of the documentation, e.g. "https://github.com/tangyoha/telegram_media_downloader/blob/master/CONTRIBUTING.md"]
+
+#### Documentation problem
+
+[this should provide a description of what documentation you believe needs to be fixed/improved]
+
+#### Suggested fix for documentation
+
+[this should explain the suggested fix and **why** it's better than the existing documentation]