docs: doc39-helm-k8s-update

[hajjimo]

Updates to Helm & Kubernetes deployment guide as per updated Helm chart. Fixes DOC-39

Checklist

• PR title is prefixed with docs:
• PR title or description includes a fixes #
• You've run pnpm format and pnpm lint
• You've reviewed Vale errors and made changes where appropriate

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🚀 Performance Test Results

Test Configuration:

• VUs: 4
• Duration: 1m0s

Test Metrics:

• Requests/s: 47.33
• Iterations/s: 15.78
• Failed Requests: 0.00% (0 of 2849)

📜 Logs

> performance@1.0.0 run-tests:testenv /home/runner/work/rafiki/rafiki/test/performance
> ./scripts/run-tests.sh -e test "-k" "-q" "--vus" "4" "--duration" "1m"

Cloud Nine GraphQL API is up: http://localhost:3101/graphql
Cloud Nine Wallet Address is up: http://localhost:3100/
Happy Life Bank Address is up: http://localhost:4100/
cloud-nine-wallet-test-backend already set
cloud-nine-wallet-test-auth already set
happy-life-bank-test-backend already set
happy-life-bank-test-auth already set
     data_received..................: 1.0 MB 17 kB/s
     data_sent......................: 2.2 MB 36 kB/s
     http_req_blocked...............: avg=7.73µs   min=2.35µs   med=5.42µs   max=1.48ms   p(90)=6.52µs   p(95)=7.18µs  
     http_req_connecting............: avg=344ns    min=0s       med=0s       max=449.97µs p(90)=0s       p(95)=0s      
     http_req_duration..............: avg=83.87ms  min=7.3ms    med=67.22ms  max=423.38ms p(90)=144.47ms p(95)=176.38ms
       { expected_response:true }...: avg=83.87ms  min=7.3ms    med=67.22ms  max=423.38ms p(90)=144.47ms p(95)=176.38ms
     http_req_failed................: 0.00%  ✓ 0         ✗ 2849
     http_req_receiving.............: avg=97.92µs  min=23.53µs  med=86.29µs  max=2.15ms   p(90)=127.64µs p(95)=163.29µs
     http_req_sending...............: avg=34.55µs  min=10.05µs  med=29.09µs  max=1.54ms   p(90)=39.76µs  p(95)=54.96µs 
     http_req_tls_handshaking.......: avg=0s       min=0s       med=0s       max=0s       p(90)=0s       p(95)=0s      
     http_req_waiting...............: avg=83.73ms  min=7.12ms   med=67.11ms  max=423.13ms p(90)=144.33ms p(95)=176.29ms
     http_reqs......................: 2849   47.330327/s
     iteration_duration.............: avg=253.19ms min=152.85ms med=238.78ms max=823.24ms p(90)=316.08ms p(95)=345.06ms
     iterations.....................: 950    15.782313/s
     vus............................: 4      min=4       max=4 
     vus_max........................: 4      min=4       max=4 

[njlie]

LGTM, thanks for writing this up!

[njlie]

I suppose, technically speaking, there is only one API on this port.

[njlie]

to grant a request -> make a grant request might be better phrasing here.