Create basic inventory manager

The first iteration only allows for a more robust way of adding devices.

Later iteration will get a lifecycle management, where it will notice if devices will reboot and try to maintain a consistent state.

.devcontainer/devcontainer.json

@@ -23,14 +23,15 @@
         "customizations": {
             "vscode": {
                 "extensions": [
-					"ms-azuretools.vscode-docker",
-					"golang.go",
-					"EditorConfig.EditorConfig",
-					"eamodio.gitlens",
-					"ms-vscode.makefile-tools",
-					"redhat.vscode-yaml",
-					"valentjn.vscode-ltex"
-				]
+                    "ms-azuretools.vscode-docker",
+                    "golang.go",
+                    "EditorConfig.EditorConfig",
+                    "eamodio.gitlens",
+                    "ms-vscode.makefile-tools",
+                    "redhat.vscode-yaml",
+                    "valentjn.vscode-ltex",
+                    "zxh404.vscode-proto3"
+                ]
             }
         },
         "mounts": [