fix windows parm values and herestring

docs/04-certificate-authority.md

@@ -172,10 +172,10 @@ cfssl gencert \
 #### Windows
 ```
 cfssl gencert `
-  -ca=ca.pem `
-  -ca-key=ca-key.pem `
-  -config=ca-config.json `
-  -profile=kubernetes `
+  -ca ca.pem `
+  -ca-key ca-key.pem `
+  -config ca-config.json `
+  -profile kubernetes `
   admin-csr.json | cfssljson -bare admin
 ```
 
@@ -233,9 +233,9 @@ done
 #### Windows
 
 ```
-  @('worker-0', 'worker-1', 'worker-2') | ForEach-Object {
-  New-Item $_-csr.json -Value @"
-  {
+@('worker-0', 'worker-1', 'worker-2') | ForEach-Object {
+New-Item $_-csr.json -Value @"
+{
   "CN": "system:node:$_",
   "key": {
     "algo": "rsa",
@@ -250,23 +250,23 @@ done
       "ST": "Oregon"
     }
   ]
-  }
-  "@
+}
+"@
 
-  $EXTERNAL_IP=$(gcloud compute instances describe $_ `
+$EXTERNAL_IP=$(gcloud compute instances describe $_ `
   --format 'value(networkInterfaces[0].accessConfigs[0].natIP)')
 
-  $INTERNAL_IP=$(gcloud compute instances describe $_ `
+$INTERNAL_IP=$(gcloud compute instances describe $_ `
   --format 'value(networkInterfaces[0].networkIP)')
 
-  cfssl gencert `
+cfssl gencert `
   -ca ca.pem `
   -ca-key ca-key.pem `
   -config ca-config.json `
   -hostname $_,$EXTERNAL_IP,$INTERNAL_IP `
   -profile kubernetes `
   $_-csr.json | cfssljson -bare $_
-  }
+}
 ```
 
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