Add Portuguese translation (light version) (#111)

* fix(es): syntax error that prevented compilation

* feat(pt): add main text translation

* feat(pt): add tweets translation

* feat(pt): add PDF generation to GitHub workflow

* fix(pt): add misisng translations and formatting fixes

* fix(css): link fragment overlap with page header

* fix(css): add font Inter before Gothic A1

The Gothic A1 font lacks a few characters necessary for writing Portuguese, namely: á, í, ó, ú, ã, õ, and their upper case versions.

* fix(pt): remove 'Glossário' entry from _menu.hbs

* fix(build): slugify.js

* fix(pt): various typos and a few missing translations.

* chore: add .vscode to .gitignore

scss/_global.scss

@@ -3,6 +3,21 @@ body {
   font-family: $font-primary;
 }
 
+// Prevents the page header from blocking view of
+// the element targeted by the fragment in the URL
+[id] {
+  scroll-margin-top: 60px;
+}
+@media screen and (min-width: 500px) and (max-width: 800px) {
+  [id] {
+    scroll-margin-top: 100px;
+  }
+
+}
+h1:target, h2:target, h3:target, h4:target, h5:target, h6:target {
+  background-color: yellow !important;
+}
+
 span.svg-icon {
   $size: 1.5em;
   display: inline-block;