Testing observations of zip file upload (#6823)

* Testing observations for upload zip file API

Signed-off-by: sonali wale <sonali.wale@progress.com>

* Added separate file

Signed-off-by: sonali wale <sonali.wale@progress.com>

dev-docs/infra-server-testing.md

@@ -0,0 +1,22 @@
+## Context
+Do Performance testing and benchmarking to capture the API response times for 
+the infra proxy APIs
+
+## chef infra-proxy upload file API for sync org and users
+API endpoint - "api/v0/infra/servers/migrations/upload"
+
+Tested the different size of zip files with similar CPU and memory requirement of Automate as 
+    - 16 GB of RAM
+    - 80 GB of disk space (available to /hab)
+    - 4 vCPUs
+
+The following details are captured through the API
+
+    | File Size  |  API response time
+    | 10 MB      |  514ms
+    | 512 MB     |  30.61s
+    | 1 GB       |  58.73s
+    | 1.5 GB     |  1.4min
+    | 2 GB       |  Error: 413 Request Entity Too Large
+
+The maximum size of zip file we can use is 1.5GB