report: add color highlight for RISK score, center RISK text

Author: Michael Sterpka

lib/report/html-template.js

@@ -31,15 +31,17 @@ function renderHTML (title, summary, report, whitelist) {
       : `<div style="color:${['#89a19d', '#ffb726', '#ff8b40', '#ff6040'][i]}">${v} ${['Low', 'Medium', 'High', 'Critical'][i]}</div>`)
     const pkgLicense = license && license.data && license.data.spdx ? license.data.spdx : 'UNKNOWN'
     const pkgLicensePass = license && license.pass === true
-    const pkgSeverity = SEVERITY_RMAP[maxSeverity]
+    const pkgSeverity = maxSeverity === 0 
+      ? SEVERITY_RMAP[maxSeverity] 
+      : `<div style="color:${['#89a19d', '#ffb726', '#ff8b40', '#ff6040'][maxSeverity - 1]}">${SEVERITY_RMAP[maxSeverity]}</div>`
 
     alternate = !alternate
     return `
     <tr class="module-element" ${alternate ? 'style="background:#2e3535"' : ''}>
       <td>
         <div id="name" style="display:inline-block;color:#e1e7e6;">${name}</div>@${version}
       </td>
-      <td>
+      <td style="text-align:center;">
         ${pkgSeverity}
       </div>
       <td>