Blocks to javascript (#1322)

* start of lesson

* added first lesson

* updated targetconfig

* added to projects

* more docs

* moving under courses

* change title

* Edits to the 'hello' page

* Add word 'previous'

docs/courses/blocks-to-javascript.md

@@ -0,0 +1,24 @@
+# Blocks to JavaScript
+
+## ~ avatar
+
+Are you ready to try JavaScript to write your code?
+
+## ~
+
+### Projects
+
+```codecard
+[
+    {
+        "name": "Hello JavaScript",
+        "description": "Learn to convert your block code in JavaScript",
+        "url": "/courses/blocks-to-javascript/hello-javascript",
+        "cardType": "side"
+    }
+]
+```
+
+## See Also
+
+[Hello JavaScript](/courses/blocks-to-javascript/hello-javascript)