add build tooling

Author: baileympearson

.github/workflows/codeql.yml

@@ -82,8 +82,9 @@ jobs:
     - if: matrix.build-mode == 'manual'
       shell: bash
       run: |
-        echo 'todo: build libmongocrypt and bindings'
-        exit 1
+        npm install
+        node build.mjs 
+        npm run prebuild
 
     - name: Perform CodeQL Analysis
       uses: github/codeql-action/analyze@v3