Refactor: restructure Docker project for better readability

docker-bake.json

@@ -6,14 +6,14 @@
   },
   "target": {
     "default": {
-      "dockerfile": "docker/Dockerfile",
-      "context": "docker",
+      "dockerfile": "Dockerfile",
+      "context": ".",
       "tags": ["ripleybooya/ssh-tunnel:latest"],
       "platforms": ["linux/amd64", "linux/arm64"]
     },
     "tailscale": {
-      "dockerfile": "docker/Dockerfile.tailscale",
-      "context": "docker",
+      "dockerfile": "Dockerfile.tailscale",
+      "context": ".",
       "tags": ["ripleybooya/ssh-tunnel:tailscale"],
       "platforms": ["linux/amd64", "linux/arm64"]
     }