Added first app template

backend/login-counter/app/update-version.ps1

@@ -0,0 +1,52 @@
+#! /snap/bin/pwsh
+
+function Get-VersionFromBranch {
+    $branch = git rev-parse --abbrev-ref HEAD
+    $versions = $branch.Split('.')
+    $major = "0"
+    $minor = "0"
+    $micro = "0"
+
+    if ($versions.Count -gt 0) {
+        $major = $versions[0]
+    }
+
+    if ($versions.Count -gt 1) {
+        $minor = $versions[1]
+    }
+
+    if ($versions.Count -gt 2) {
+        $micro = $versions[2]
+    }
+
+    return $major, $minor, $micro
+}
+
+function Get-VersionAsJSON([string]$major, [string]$minor, [string]$micro) {
+    return @{
+        "Major" = "$major"
+        "Minor" = "$minor"
+        "Micro" = "$micro"
+    } | ConvertTo-Json
+}
+
+function Get-AppsettingsAsJSON() {
+    return Get-Content -Raw -Path "./appsettings.json" | ConvertFrom-Json
+}
+
+function Set-AppsettingsAsJSON($settings) {
+    $settings | ConvertTo-Json | Out-File "./appsettings.json"
+}
+
+function Set-VersionFromBranch([string]$major, [string]$minor, [string]$micro) {
+    $versionJSON = Get-VersionAsJSON $major $minor $micro
+    $appsettings = Get-AppsettingsAsJSON
+
+    $appsettings.API.ApiVersion.Major = $major
+    $appsettings.API.ApiVersion.Minor = $minor
+    $appsettings.API.ApiVersion.Micro = $micro
+    Set-AppsettingsAsJSON $appsettings
+}
+
+$res = Get-VersionFromBranch
+Set-VersionFromBranch $res[0] $res[1] $res[2]