docs: SchemaStore PR merged — drop staging dir, point $schema at canonical URL

- Remove schemastore/ submission staging tree (merged upstream as #5762)
- README: schema is now published on SchemaStore (not 'being submitted')
- Point all $schema refs at https://www.schemastore.org/yap.json

Author: M0Rf30

README.md

@@ -186,15 +186,15 @@ inline validation in editors that support JSON Schema:
 
 ```json
 {
-  "$schema": "https://raw.githubusercontent.com/M0Rf30/yap/main/yap.schema.json",
+  "$schema": "https://www.schemastore.org/yap.json",
   "name": "My Multi-Package Project",
   "...": "..."
 }
 ```
 
-The schema is also being submitted to [SchemaStore](https://www.schemastore.org)
-so editors validate any `yap.json` by filename automatically — no `$schema`
-line required.
+The schema is published on [SchemaStore](https://www.schemastore.org/json/),
+so editors (VS Code, JetBrains, Neovim, …) validate any `yap.json` by filename
+automatically — no `$schema` line required.
 
 ## PKGBUILD extensions
 

examples/circular-deps/yap.json

@@ -1,5 +1,5 @@
 {
-  "$schema": "https://raw.githubusercontent.com/M0Rf30/yap/main/yap.schema.json",
+  "$schema": "https://www.schemastore.org/yap.json",
   "name": "circular-dependency-test",
   "description": "Example demonstrating YAP's circular dependency detection and error handling",
   "buildDir": "/tmp/yap-circular-deps",

examples/dependency-orchestration/yap.json

@@ -1,5 +1,5 @@
 {
-  "$schema": "https://raw.githubusercontent.com/M0Rf30/yap/main/yap.schema.json",
+  "$schema": "https://www.schemastore.org/yap.json",
   "name": "dependency-orchestration-example",
   "description": "Comprehensive example demonstrating YAP's automatic dependency resolution and installation orchestration",
   "buildDir": "/tmp/yap-dependency-example",