chore(devcontainer): improve disk performance (#13)

Author: cesarcoatl

.devcontainer.json

@@ -1,6 +1,11 @@
 {
   "name": "java-api",
   "image": "quay.io/ignition-devs/devcontainer-base:python",
+  "workspaceMount": "source=${localWorkspaceFolder},target=${containerWorkspaceFolder},type=bind",
+  "workspaceFolder": "/workspaces/java-api",
+  "mounts": [
+    "source=pre-commit-cache,target=/root/.cache/pre-commit,type=volume"
+  ],
   "customizations": {
     "vscode": {
       "extensions": [
@@ -14,4 +19,4 @@
   },
   "onCreateCommand": "pre-commit install --hook-type pre-commit --hook-type commit-msg --hook-type pre-push",
   "postCreateCommand": "python2 -m pip install --requirement requirements.txt"
-}
+}