Remove deprecated Nginx configuration for stream.graff.estate and update package dependencies in session-server and client

- Deleted the Nginx configuration file for stream.graff.estate.
- Updated bun.lock files in both client and session-server to include new dependencies and version updates.
- Added 'tree-kill' dependency to session-server for improved process management.
- Refactored process termination logic in session-server to utilize 'tree-kill' for reliable process termination.

client/bun.lock

@@ -1,5 +1,6 @@
 {
   "lockfileVersion": 1,
+  "configVersion": 0,
   "workspaces": {
     "": {
       "name": "client",
@@ -27,6 +28,7 @@
         "@types/uuid": "^11.0.0",
         "@vitejs/plugin-react-swc": "^4.1.0",
         "autoprefixer": "^10.4.21",
+        "baseline-browser-mapping": "^2.9.2",
         "eslint": "^9.36.0",
         "eslint-plugin-react-hooks": "^5.2.0",
         "eslint-plugin-react-refresh": "^0.4.22",
@@ -282,7 +284,7 @@
 
     "balanced-match": ["balanced-match@1.0.2", "", {}, "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="],
 
-    "baseline-browser-mapping": ["baseline-browser-mapping@2.8.10", "", { "bin": { "baseline-browser-mapping": "dist/cli.js" } }, "sha512-uLfgBi+7IBNay8ECBO2mVMGZAc1VgZWEChxm4lv+TobGdG82LnXMjuNGo/BSSZZL4UmkWhxEHP2f5ziLNwGWMA=="],
+    "baseline-browser-mapping": ["baseline-browser-mapping@2.9.7", "", { "bin": { "baseline-browser-mapping": "dist/cli.js" } }, "sha512-k9xFKplee6KIio3IDbwj+uaCLpqzOwakOgmqzPezM0sFJlFKcg30vk2wOiAJtkTSfx0SSQDSe8q+mWA/fSH5Zg=="],
 
     "binary-extensions": ["binary-extensions@2.3.0", "", {}, "sha512-Ceh+7ox5qe7LJuLHoY0feh3pHuUDHAcRUeyL2VYghZwfpkNIy/+8Ocg0a3UuSoYzavmylwuLWQOf3hl0jjMMIw=="],
 
@@ -666,6 +668,8 @@
 
     "anymatch/picomatch": ["picomatch@2.3.1", "", {}, "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA=="],
 
+    "browserslist/baseline-browser-mapping": ["baseline-browser-mapping@2.8.10", "", { "bin": { "baseline-browser-mapping": "dist/cli.js" } }, "sha512-uLfgBi+7IBNay8ECBO2mVMGZAc1VgZWEChxm4lv+TobGdG82LnXMjuNGo/BSSZZL4UmkWhxEHP2f5ziLNwGWMA=="],
+
     "chokidar/glob-parent": ["glob-parent@5.1.2", "", { "dependencies": { "is-glob": "^4.0.1" } }, "sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow=="],
 
     "engine.io-client/debug": ["debug@4.3.7", "", { "dependencies": { "ms": "^2.1.3" } }, "sha512-Er2nc/H7RrMXZBFCEim6TCmMk02Z8vLC2Rbi1KEBggpo0fS6l0S1nnapwmIi3yW/+GOJap1Krg4w0Hg80oCqgQ=="],