add parsers

get-new-tool-versions/parsers/parsers-factory.psm1

@@ -0,0 +1,19 @@
+using module "./node-parser.psm1"
+using module "./go-parser.psm1"
+using module "./python-parser.psm1"
+
+function Get-ToolVersionsParser {
+    param(
+        [Parameter(Mandatory)]
+        [string]$ToolName
+    )
+
+    switch ($ToolName) {
+        "Node" { return [NodeVersionsParser]::New() }
+        "Go" { return [GoVersionsParser]::New() }
+        "Python" { return [PythonVersionsParser]::New() }
+        Default {
+            throw "Unknown tool name"
+        }
+    }
+}