Add archify-vscode-ext skill: Archify diagrams and models for the Archify Diagram Viewer extension

Model tasks (validate, list, scaffold, resolve), diagram tasks (validate,
render), the bundled Archify 3.0.1 runtime and yaml parser under
scripts/vendor, references for authoring, formats and folders, and the
online-shop example model.

scripts/.scripts/model/Taskfile.yml

@@ -0,0 +1,32 @@
+# https://taskfile.dev
+
+version: "3"
+
+tasks:
+  validate:
+    desc: 'Validate a whole model -- --dir="<model folder or any file inside>" [--quality=standard|showcase]'
+    cmds:
+      - |
+        ./.scripts/model/api/model--validate.sh {{ .CLI_ARGS }}
+    silent: true
+
+  list:
+    desc: 'What the model page shows -- --dir="<model folder or any file inside>"'
+    cmds:
+      - |
+        ./.scripts/model/api/model--list.sh {{ .CLI_ARGS }}
+    silent: true
+
+  scaffold:
+    desc: 'Create a model -- --dir="<folder>" --id="<id>" --name="<name>" [--description="<text>"] [--c4]'
+    cmds:
+      - |
+        ./.scripts/model/api/model--scaffold.sh {{ .CLI_ARGS }}
+    silent: true
+
+  resolve:
+    desc: 'Resolved Archify JSON of one diagram -- --file="<diagram.archify>" [--out="<file.json>"]'
+    cmds:
+      - |
+        ./.scripts/model/api/model--resolve.sh {{ .CLI_ARGS }}
+    silent: true