Organize scripts and add TWS plugins with HTTP timeouts

Vendor pinned T5 and T6 plugin sources under the new plugins layout. Add native HTTP deadlines, status and timing diagnostics, telemetry integration, and build/test tooling.

t5/plugins/tws-t5-gsc-utils/deps/premake/plutonium-sdk.lua

@@ -0,0 +1,18 @@
+plutonium_sdk = {
+    source = path.join(dependencies.basePath, "plutonium-sdk"),
+}
+
+function plutonium_sdk.import()
+    plutonium_sdk.includes()
+end
+
+function plutonium_sdk.includes()
+    includedirs {
+        plutonium_sdk.source,
+    }
+end
+
+function plutonium_sdk.project()
+end
+
+table.insert(dependencies, plutonium_sdk)