mAi: #41 - Add template skeleton with labels, CLAUDE.md, .gitignore, issue templates

Standard label set: p1-p3, status:*, type:* (no skill labels)
CLAUDE.md skeleton with placeholder sections
.gitignore covering mai, Python, Go, Node, OS files
Issue templates for features, bugs, and research

.gitea/issue_template/research.yaml

@@ -0,0 +1,18 @@
+name: Research
+about: Investigation or analysis task
+title: ""
+labels:
+  - "type:research"
+body:
+  - type: textarea
+    id: question
+    attributes:
+      label: Research question
+      description: What needs to be investigated?
+    validations:
+      required: true
+  - type: textarea
+    id: context
+    attributes:
+      label: Context
+      description: Background, constraints, or related resources.