chore: trim distribution clutter and add lint/test tooling

Keep only example workflows in default/, move site-specific YAMLs to gitignored local/, remove the duplicate get-current-time plugin install, document personal plugins, clarify PM2 ecosystem usage, add shared Vitest and web ESLint, and extract OpsStatusCard for ops cards.

Co-authored-by: Cursor <cursoragent@cursor.com>

plugins/get-current-time/jerapah-plugin.json

@@ -1,8 +0,0 @@
-{
-  "id": "get-current-time",
-  "name": "Get current time",
-  "version": "0.1.0",
-  "jerapah": ">=0.1.0 <1.0.0",
-  "main": "script.js",
-  "description": "Example user plugin: return the current time as output.datetime"
-}

plugins/get-current-time/package.json

@@ -1,7 +0,0 @@
-{
-  "name": "jflow-plugin-get-current-time",
-  "version": "0.1.0",
-  "private": true,
-  "type": "module",
-  "description": "Example JerapahFlow plugin (no npm dependencies)"
-}

plugins/get-current-time/script.js

@@ -1,34 +0,0 @@
-function passContext(ctx) {
-  if (ctx?.context != null && typeof ctx.context === "object" && !Array.isArray(ctx.context)) {
-    return { ...ctx.context };
-  }
-  return {};
-}
-
-function getCurrentTime(ctx) {
-  const output = {
-    datetime: new Date().toISOString(),
-    processId: "1234",
-  };
-  return { output, context: { ...passContext(ctx), ...output } };
-}
-
-getCurrentTime.meta = {
-  description: "Return the current time as output.datetime",
-  config: {},
-  input: {},
-  output: {
-    datetime: { type: "string", description: "ISO timestamp" },
-    processId: { type: "string" },
-  },
-  context: {
-    datetime: { type: "string", description: "ISO timestamp" },
-    processId: { type: "string" },
-  },
-  example: {
-    data: {},
-    config: {},
-  },
-};
-
-export default getCurrentTime;