add opentelemetry demo lite chart

[Frapschen]

Only keep these service:

• cartService
• checkoutService-v2
• frontend
• loadgenerator
• paymentservice
• productcatelogservice
• quoteservice
• redis
• shippingservice
• adservice-v2
• dataservice
• mysql

Current demo architecture

graph TD
subgraph Service Diagram
adservice(Ad Service):::java
dataservice(Data Service):::java
cache[(Cache<br/>&#40redis&#41)]
cartservice(Cart Service):::dotnet
checkoutservice-v2(Checkout Service):::golang
frontend(Frontend):::typescript
loadgenerator([Load Generator]):::python
paymentservice(Payment Service):::javascript
productcatalogservice(Product Catalog Service):::golang
quoteservice(Quote Service):::php
shippingservice(Shipping Service):::rust
adstore[(DataService Store<br/>&#40Mysql DB&#41)]

Internet -->|HTTP| frontend

loadgenerator -->|HTTP| frontend

checkoutservice-v2 --->|gRPC| cartservice -->|TCP| cache
checkoutservice-v2 --->|gRPC| productcatalogservice
checkoutservice-v2 --->|gRPC| paymentservice
checkoutservice-v2 -->|gRPC| shippingservice

frontend -->|gRPC| adservice
frontend -->|gRPC| cartservice
frontend -->|gRPC| productcatalogservice
frontend -->|gRPC| checkoutservice-v2
frontend -->|gRPC| shippingservice -->|HTTP| quoteservice

adservice -->|HTTP| dataservice
dataservice ---> |TCP| adstore

end

classDef dotnet fill:#178600,color:white;
classDef golang fill:#00add8,color:black;
classDef java fill:#b07219,color:white;
classDef javascript fill:#f1e05a,color:black;
classDef php fill:#4f5d95,color:white;
classDef python fill:#3572A5,color:white;
classDef rust fill:#dea584,color:black;
classDef typescript fill:#e98516,color:black;

graph TD
subgraph Service Legend
  dotnetsvc(.NET):::dotnet
  golangsvc(Go):::golang
  javasvc(Java):::java
  javascriptsvc(JavaScript):::javascript
  phpsvc(PHP):::php
  pythonsvc(Python):::python
  rustsvc(Rust):::rust
  typescriptsvc(TypeScript):::typescript
end

classDef dotnet fill:#178600,color:white;
classDef golang fill:#00add8,color:black;
classDef java fill:#b07219,color:white;
classDef javascript fill:#f1e05a,color:black;
classDef php fill:#4f5d95,color:white;
classDef python fill:#3572A5,color:white;
classDef rust fill:#dea584,color:black;
classDef typescript fill:#e98516,color:black;