rebranding herald => steep

.devcontainer/devcontainer.json

@@ -1,5 +1,5 @@
 {
-    "name": "herald",
+    "name": "steep",
     "build": {
         "dockerfile": "Dockerfile",
         "args": {
@@ -17,8 +17,8 @@
             "extensions": ["fill-labs.dependi", "rust-lang.rust-analyzer", "tamasfe.even-better-toml"]
         }
     },
-    "workspaceMount": "source=${localWorkspaceFolder},target=/workspaces/herald,type=bind",
-    "workspaceFolder": "/workspaces/herald",
+    "workspaceMount": "source=${localWorkspaceFolder},target=/workspaces/steep,type=bind",
+    "workspaceFolder": "/workspaces/steep",
    	"runArgs": ["--userns=keep-id", "--security-opt", "label=disable"],
     "appPort": [3000]
 }