Initial commit: Counter plugin for Obsidian

- Add counter syntax: ~ (number) label
- Implement interactive +/- buttons
- Add CSS styling for counter UI
- Include build configuration and dependencies

.claude/settings.local.json

@@ -0,0 +1,11 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(git init:*)",
+      "Bash(git add:*)",
+      "Bash(git commit:*)"
+    ],
+    "deny": [],
+    "ask": []
+  }
+}