Update html/js libraries via npm

.github/workflows/npm-updates.yml

@@ -0,0 +1,24 @@
+name: Npm Updates
+
+on:
+  pull_request:
+    paths:
+      - 'package.json'
+
+jobs:
+  npm_update:
+    runs-on: ubuntu-20.04
+
+    steps:
+      - name: checkout actions
+        uses: actions/checkout@v2
+      - name: Use Node.js 16
+        uses: actions/setup-node@v1
+        with:
+          node-version: 16.x
+      - name: Npm update
+        run: |
+          npm update --omit=dev --ignore-scripts
+      - uses: stefanzweifel/git-auto-commit-action@v4
+        with:
+          commit_message: npm updates

.gitmodules

@@ -4,6 +4,3 @@
 [submodule "submodules/privacy-grade"]
 	path = submodules/privacy-grade
 	url = https://github.com/duckduckgo/privacy-grade
-[submodule "submodules/autofill"]
-	path = submodules/autofill
-	url = https://github.com/duckduckgo/duckduckgo-autofill

app/build.gradle

@@ -36,7 +36,7 @@ android {
             main {
                 java {
                     resources {
-                        srcDirs += files("$projectDir/../submodules/autofill/dist/".toString())
+                        srcDirs += files("$projectDir/../node_modules/@duckduckgo/autofill/dist/".toString())
                         srcDirs += files("$projectDir/../submodules/".toString())
                     }
                 }