Refactor: Rename NanoKVM to BatchuKVM and update server URL

.gitignore

@@ -0,0 +1,31 @@
+*.log
+pnpm-debug.log*
+
+web/node_modules
+web/dist
+web/web
+
+.DS_Store
+*.local
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
+
+.idea
+.vscode
+
+NanoKVM-Server
+
+support/sg2002/kvm_system/build
+support/sg2002/kvm_system/dist
+support/sg2002/kvm_system/CMakeLists.txt
+
+support/sg2002/kvm_vision_test/build
+support/sg2002/kvm_vision_test/dist
+support/sg2002/kvm_vision_test/CMakeLists.txt
+
+support/sg2002/additional/original
+kvmapp/server/dl_lib
+kvmapp/kvm_system/kvm_system