Rename project to SSAU Generator and restructure content

- Move projects into content/<project>/{docx,pptx} with shared assets/
- Flatten config paths; output = project name in project folder
- Add pptx --init scaffold; remove docx exe build
- Add feature-complete content/example; ignore content/* except example
- Rewrite README and AGENTS.md

pptx/package-lock.json

@@ -1,18 +1,18 @@
 {
-  "name": "lab-gen-pptx",
+  "name": "ssau-generator-pptx",
   "version": "1.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
-      "name": "lab-gen-pptx",
+      "name": "ssau-generator-pptx",
       "version": "1.0.0",
       "dependencies": {
         "js-yaml": "^4.1.0",
         "pptxgenjs": "^3.12.0"
       },
       "bin": {
-        "lab-gen-pptx": "src/cli.js"
+        "ssau-generator-pptx": "src/cli.js"
       }
     },
     "node_modules/@types/node": {