OZG-3184 OZG-3221 clean README.md; set proxy body size to 100m

src/main/helm/templates/ingress.yaml

@@ -32,6 +32,7 @@ metadata:
     {{- else }}
     cert-manager.io/cluster-issuer: letsencrypt-prod
     {{- end }}
+    nginx.ingress.kubernetes.io/proxy-body-size: 100m
   name: {{ include "app.name" . }}
   namespace: {{ include "app.namespace" . }}
 spec:

src/test/helm/ingress_test.yaml

@@ -99,4 +99,9 @@ tests:
     asserts:
       - equal:
           path: metadata.annotations.[cert-manager.io/cluster-issuer]
-          value: letsencrypt-prod
\ No newline at end of file
+          value: letsencrypt-prod
+  - it: should set proxy body size to 100m
+    asserts:
+      - equal:
+          path: metadata.annotations.[nginx.ingress.kubernetes.io/proxy-body-size]
+          value: 100m
\ No newline at end of file