add shim, basic stubs

shims/process.js

@@ -0,0 +1,22 @@
+// Shim for window.process
+// Obsidian checks process.platform, process.versions.electron, etc.
+
+export const processShim = {
+  platform: 'linux',
+  versions: {
+    electron: '28.0.0',
+    node: '18.18.0',
+    chrome: '120.0.0.0',
+  },
+  env: {},
+  cwd: () => '/',
+  nextTick: (fn, ...args) => setTimeout(() => fn(...args), 0),
+  argv: [],
+  type: 'renderer',
+  resourcesPath: '/',
+  stdout: { write: (s) => console.log(s) },
+  stderr: { write: (s) => console.error(s) },
+  on: () => {},
+  once: () => {},
+  removeListener: () => {},
+};