Fix travis env creation command

.travis.yml

@@ -5,6 +5,6 @@ sudo: required
 services:
     - docker
 install:
-    - make test-reqs
+    - make dev-env
 script:
     - make build-test-all DARGS="--build-arg TEST_ONLY_BUILD=1"

.vscode/settings.json

@@ -0,0 +1,22 @@
+{
+    "cSpell.enabledLanguageIds": [
+        "c",
+        "cpp",
+        "csharp",
+        "go",
+        "handlebars",
+        "javascript",
+        "javascriptreact",
+        "json",
+        "latex",
+        "markdown",
+        "php",
+        "plaintext",
+        "python",
+        "restructuredtext",
+        "text",
+        "typescript",
+        "typescriptreact",
+        "yml"
+    ]
+}