Add new skills and utilities for enhanced writing and testing

- Introduced graphviz conventions for visualizing process flows in writing skills.
- Added a comprehensive guide on persuasion principles to improve skill design effectiveness.
- Implemented a script to render graphviz diagrams from markdown files to SVG format.
- Created a detailed reference for testing skills with subagents, emphasizing TDD principles.
- Established a task tracker template for live task management.
- Developed a shell script to check the integrity of the antigravity profile and required files.
- Added test scripts to validate the initialization of agent projects.
- Created workflows for brainstorming, executing plans, and writing plans to streamline processes.

package-lock.json

@@ -0,0 +1,19 @@
+{
+  "name": "antigravity-superpowers",
+  "version": "0.1.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "antigravity-superpowers",
+      "version": "0.1.0",
+      "license": "MIT",
+      "bin": {
+        "antigravity-superpowers": "bin/antigravity-superpowers.js"
+      },
+      "engines": {
+        "node": ">=20.0.0"
+      }
+    }
+  }
+}